Ex-couples who broke up for various reasons gather to look back on their past love and to find new love.

Can I Live in The Same House With My Ex-Lover?

Can You Cheer on Your Ex-Lover's New Beginning?

The Moment I Felt Parting

How To Let Go Of a Past Lover

Is Jealousy Love?

The Real Reason Why We Broke Up

We Were All Someone's X

Someone is Curious About Your X

Can We Be Friends?

It's about time...

Cross The Line

Cracks and Cracks

Truth Game

Last Timing

Confession

The four pairs of ex-couples gather at a house in Pyeongchang-dong. They nervously introduce themselves, while secretly studying the faces of their exes. Later, they have a proper chat with each other over dinner. Some seem to be hoping to reunite with their former lovers, but some are ready to find new romance.

Long Time No See, Nice To Meet You

Each participant gets the introduction letter that is written by his or her ex. They read the letter out loud with all the participants present. Some of them get emotional and even cry while they read it. After reading the letter from their exes, each ex-couple is given a chance to have an online chat and talk about how they really feel after the break-up.

Introducing My Former Lover

After the first night, the participants go about their day. They gather again in the evening to have dinner and drinks. They get to learn about each others’ occupations. Later, the female participants pick a card with a keyword on it. They’ll have a date with the male participants who came up with each keyword.

Who Are You?

It’s the first weekend since they moved in. The participants enjoy their free time. Later, a letter arrives, delivering shocking news about one of the participants. The participants get a chance to chat with the exes of their dates and learn new things about them.

Surprise Party

A new rule gets revealed that one participant’s ex was missing from the start. A new participant makes a sudden appearance at night. In the midst of all this confusion, Gyu-min and Na-yeon go on their date.

Your Ex Chose You

The participants get closer through the dates. All of them find out about their ages as well. Hae-eun gets to go on her first date without knowing anything about it.

My Ex Is In This Group

Hee-doo struggles with his adjustment in the house after an awkward welcome from the others. One of the members helps him get adjusted into the house and the group. New and mixed feelings get revealed between the members after Hee-doo’s arrival.

The Story Only I Didn't Know

Two couples go out to date. Some participants put a lot of effort to look good on their dates. The exes who didn’t go on a date get anxious. All the participants gather in the end, and the female participants get to choose who they want to date.

Conclusion Of The Date

Hee-doo feels upset after seeing Na-yeon. The two express their current feelings with one another. A new room called the Talking Room gets revealed. The female participants get a chance to talk with the ex of the date partner they have chosen.

How To Protect An Ex

Everyone except for Tae-i goes on their secret dates. Gyu-min goes on two dates on the same day. This makes him feel a mixture of emotions. The heart-fluttering dates bring the ones on the dates a lot closer and new feelings start to arise.

Secret Dates

Hee-doo and Ji-yeon have a secret date, and when Na-yeon finds out, she becomes jealous. The Ex Room, where the participants can reminisce their memories of their relationships, opens for them. For some participants, it’s heartbreaking, but for some, it’s meaningless. Later, they get a chance to talk with their exes one-on-one.

Facing The Memories

Jisoo X Wonbin, who supported each other's happiness to the X I loved, The first time we had alone The smile that resembled that time suddenly reminds me of the X I loved at the time. peel?

Your X Is Waiting

Secret Conversation 'Someone has asked for a secret conversation with you' From X questions that cannot be easily answered, to whether your heart is open to me, a secret but unstoppable conversation between the two of you!

Secret Conversation

The exes are feeling confused about each others’ feelings. Na-yeon isn’t sure about her feelings after seeing Hee-doo and Ji-yeon’s couple bracelets. Ji-yeon is upset about Na-yeon’s behavior toward Tae-i. On the other hand, Tae-i has a lot of fun on her date with Na-eon. Meanwhile, the participants much choose a partner for their Jeju Island trip.

Awakening

Jeju-do Nomination Date Nayeon X Hee-doo, who fought even though they pointed out each other, can we forget what happened in Seoul and no longer be entangled in the past? Inconvenient Jiyeon, a strange companion of three people Jisoo X Wonbin, who have had different emotions Now, is it right to say my feelings before it's too late? Speed ​​Up!

Discomfort

Uncomfortable relationship with X The fight between Nayeon and Hee-doo that is still repeated even in Jeju, bringing up the past 'When you see this, we really don't get along' It's sad to see X and other people friendly in front of you. We're not friends." There were only people who couldn't understand and a heart that wasn't understood.

No Secrets

Hae-eun and Hyun-gyu go on a date to ride a fishing boat. Na-eon and Tae-i have a date, making a mirror cover together. Hee-doo and Na-yeon try to talk, but they end up arguing with each other. The next day, participants have a 1-on-1 conversation with the person that they want to talk secretly. They open their hearts and get to know what’s really going on their minds. It helps them to make a new decision.

Holding Hands

The participants are given a chance to choose the person they want to go on a date with. However, only those who choose each other can go on a date. Some choose the date they really want, and some make the wrong choice. Later in the evening, they play Truth or Dare to find out how they truly feel.

Not Over You

The participants have one last date with their exes. Hae-eun and Gyu-min have a date that remind them of their old days. Hyun-gyu and Na-eon talk about their honest feelings. Na-yeon becomes certain of the decision she needs to make after a date with Hee-doo. Tae-i also becomes more certain about his feelings toward Ji-yeon.

The Last Date

The day of their final decision has dawned, and they must decide whether they want to get back together with their exes or date someone new. Some have made up their minds, while some are still confused about their feelings. Will Hae-eun choose Gyu-min in the end? Will Hee-doo and Na-yeon get back together? How will Won-bin confess his feelings?

The participants gather in the house one by one. After their brief introduction, where they can only exchange their names and nothing else, they divide into different teams and prepare dinner. After dinner, Breakup Packages are delivered. The items their exes sent are in the package. Meanwhile, Cho Hwi-hyun’s ex is revealed.

Start Again

The participants were enjoying their dinner when suddenly the doorbell rang. They receive Ex Introduction, an introduction written by their exes. Everyone tears up and gets emotional as they read the introduction out loud. Before the first night passes, they send text messages to the people they become fond of. Will some of them receive a text from their ex?

A Story Only the Two of Us Knew

The participants are told to go on memory fragment dates, in which they will take someone other than their ex to a place that was once meaningful to the broken-up couple. Once the dates are decided, the female participants chat with their dates’ exes and later listen to voice messages left by their exes. Meanwhile, Da-hye and her ex’s story is revealed.

Such a Long Separation

The participants go on their first dates. The male participants take their dates to places filled with memories of their exes. They learn about each other more through their dates, which could bring a change in their hearts. After their first dates, they gather at the house and talk about their day.

A piece of memory

The participants reveal their occupations for the first time. After dinner, all of them gather and play Truth or Dare. Some are hurt by what their exes say and end up arguing in secret. Ju-won’s ex is revealed, which surprises all the panellists.

I'm sorry baby

The participants get to find out each other’s feelings through Group Talking Room. They freely ask the questions they had in mind in separate rooms in an altered voice. A new female participant joins the male Group Talking Room, and she chooses a man to go on a date with based on the conversations they had.

What are you doing tomorrow?

For Selected Date, the male participants get to choose their date and have a chance to chat with the date’s ex anonymously. Surprisingly, they all choose the same female participant, which complicates things more. After Ex Chatroom, the male participants are given a chance to change their date. Will they have a change of heart?

About my X

The male participants go out for their selection date and use the information gathered in the chatroom. Male and female participants gathered by themselves and talked about their feelings and the changes in their hearts after joining the show. Meanwhile, the last male participant appears. To get to know each other better, everyone gathers and rereads their Ex Introduction.

Come unconditionally

After the new member, Chang-jin moves in, things change for Da-hye. She goes on a date with Chang-jin the next day, causing Dong-jin to get mixed feelings. Hwi-hyun brings out the candies that Hye-won gave to share with everyone, which upsets her. Yu-jung’s ex gets revealed toward the end of this week’s episode.

Two meanings

Amid the confusion and mixed feelings, the participants continue to find new love. They receive a letter informing them that Personal Rooms are now available for them. They can find new information about their new love interest in the Personal Room. However, Ex-Room, where their memories with their exes are, also opens for them. They must choose between the two. Which room will each participant choose?

X or NEW

Both Dong-jin and Da-hye choose the Ex-Room. Their memories of 13 years fill up the whole room, which shakes them up. Hye-won clears up the misunderstanding she had with Hwi-hyun through a conversation. A new message arrives, and the ladies are told to pick a date for their trip to Jeju Island. If they can’t find a match, they must travel with the remaining participants who failed to find a match.

We still don't know each other

The participants travel to Jeju Island. The three couples who were matched, Ju-won and Yu-jung, Dong-jin and Hye-won, and Chang-jin and Da-hye, enjoy delightful dates on their own. When all participants gather at the resort, their exes are revealed. After revealing their exes, two new participants join the group.

The place you left

The participants now have figured out each other’s exes in Jeju Island. Following this revelation, the senders of the incoming texts are also revealed, along with the ex’s choice. The frustration and confusion among them deepen as they are assigned to different rooms and experience changes of heart.

Understanding X

The male participants must choose dates for their exes. They are given 20 minutes to discuss it with their exes, which stirs their hearts. Some end up arguing, while some end their discussion in less than a minute. Everyone expresses their feelings honestly to each other, but some misunderstandings don’t get cleared up.

Talk To Me

Our time is still frozen on that day

The person who made your heart flutter today

The untold story

Things I learned after breaking up

Maybe the last moment

Begin again

Exchange is back with its 4th season, and 8 participants gather at the house. They can only exchange their names and nothing else, but through the EX Introduction, they get to know more about each other. The bell rings after the meal, and an unexpected direction makes everyone confused.

Please, Take Good Care of Him

The participants got to know about each other through the EX Introduction. It seems like the introduction made them curious about others, but then, the bell rings again, surprising everyone. The female participants must choose who they want to date the next day. After their dates are decided, the female participants get their chances to chat with their date’s ex.

A Breakup Locked in a Closet

The four couples go out on a date. Since the female participants chose their dates, all of them seem proactive during the date, and their chemistries make the hosts root for the new couples. However, when they come back home and meet others, the whole atmosphere becomes different. Meanwhile, Yoo-sik and Min-kyung’s story is revealed.

Sweet and Bitter Moments

The eight participants are confused after having a date during the day. Some find new people charming, but some are bothered by their exes as they seem fine. Ji-hyeon expresses her feelings to Yoo-sik, and Min-kyung finds it uncomfortable. Meanwhile, a female catfish finally appears. Her moving in makes everyone nervous and confused again.

Passing Carelessly

Baek-hyun’s ex is revealed, and their story is shared. With Hyeon-ji as a new addition, the tension in the air at the house changes. Baek-hyun has a hard time falling asleep with his ex added to the house, and he becomes emotional. The next day, Hyeon-ji reveals that she had a date with Yoo-sik to Min-kyung, and Min-kyung can’t help but have mixed emotions.

Restless Night

The participants go out on a date during the day, and everyone seems to like meeting new people. However, when the night comes, they all become emotional and feel confused. The participants are now allowed to reveal their occupations, and this new information brings some changes among them.

The Speed of Breakup Depends on the Person

The Chatting Room is open again, and the female participants are invited. They wonder who invited them, and it turns out to be an unexpected twist. Meanwhile, the participants become more conscious about their exes as awkward situations keep occurring. Some participants want to be clear on their stance, and this makes their exes feel confused.

The Door Opens

The new catfish, Jae-hyung, joins the house and meets everyone. The male residents feel somewhat threatened by his confidence. The next day, the Group Talking Room, where the male residents can ask questions to the female residents, opens.

Insincere Love

The male residents must choose a keyword from the Group Talking Room. They will go on a date with different female residents according to the keywords they pick. At night, the exes get busy clearing misunderstandings and having deep conversations. Will these conversations change their minds?

Misunderstanding is Easy, But Understanding is Hard

The residents’ ages are revealed, and this changes how they feel about each other subtly. Once again, the drinking goes on late into the night, and some get angry about their exes’ behaviours. The next day, the Ex Room opens, stirring up their emotions once again.

Our Nights Shine Brighter Than the Day

The time has arrived again. With the Ex Room open today, some of them decide to check out the Ex Room, whereas the others enter the room because their Exes don’t choose to do so. Some feel more conflicted after seeing the room, while others hold on to their feelings. Where is everyone's heart going? Meanwhile, Yun-nyeong's ex will be revealed.

You, Back Then

Shin Seung-yong, a new male participant, joins the show. His manly look and full package make the ladies’ hearts flutter, and other men alert. With a newcomer, some start opening their hearts. What changes will be brought into the house, and whose ex will he be? Meanwhile, all the participants are travelling to Kamakura, Japan.

A Different Time

On the night before travelling to Japan, some feel excited about the trip with their partner, whereas some feel conflicted and their relationships are strangely tangled. As the morning of their date in Japan comes, they forget the problems with their ex-partners and focus on their new partners, resulting in a smooth date. Will there be new love that blooms in Kamakura?

Leaving This Night In Seoul

The trip in Japan continues. As they decided to let go of old feelings and travel with a fresh mindset, everyone's excitement doubled in Japan. Meanwhile, the exes will finally be revealed. Everyone will get to know who is whose ex and how they met and for how long they dated.

X’s X

The doorbell rang again before the confusion died down. On the first day in Kamakura, a letter arrived. The men have to recommend a date for their exes. And starting from this episode, the receiver will get the sender's name when sending the message. Right now, when everyone knows each other's exes, who made your heart flutter?

The Time I Thought I Had Forgotten

Now that the exes are revealed, the atmosphere has changed. For some, it gets more comfortable as they can follow their hearts without hiding anything. For others, it gets more complicated as the relationships are tangled. The female participants choose the dates for the exes, and the result shows where they stand.

Farewell Caught in My Throat

As their dates in Japan continue, some relationships deepen, and the direction of their hearts gradually becomes clearer. Those who hope to reunite with their exes show diverse reactions such as suggesting renewed promises and constantly trying to talk to them. Will these relationships move toward reconciliation? Or will they become more distant despite their efforts to win back their exes' hearts?

A Way To Keep You With Me

Hyun-ji and Yoo-sik go out on a casual date while everyone else stays home. Min-kyung talks to Yoo-sik after he gets back, hoping to hear that there’s still a chance for them to get back together. For the next date, the participants’ choices must be reciprocal for them to be able to go out. The result infuriates Min-kyung.

A Sleepless Night, and the Rain Falls

An envelope has arrived at the Kamakura House. The participants will play truth or dare for the final decision. One person can ask up to three questions. But they can't ask obvious questions regarding the final decision. Some honest answers stir up someone’s feelings in their final decisions.

A Summer Night of Regret

Time is ticking until the final decision day. The participants go on a date with their ex with heavy hearts, thinking that might be their last date. After the date with their ex, each of them can choose one person, excluding their ex. If they choose each other, they will go on a secret date. Overwhelmed with uncontrollable emotions, their feelings become a tangled mess before the final decision.

So, It's Goodbye, Then

After all the emotional ups and downs, they are finally reaching the end of the journey, and EXchange 4 is left with the final decision. Ex-lovers who broke up for their own reasons came together. New moments emerged from an unexpected encounter, and the new connection stirred up the time that had been paused with their exes. How will this season end?

EXchange

Episode · Musim 1