After a deadly incident in a Roppongi club, a former child star becomes a double agent for rival narcotics enforcers in Tokyo's criminal underworld.

A shocking incident at a Tokyo nightclub ignites a tense investigation, drawing former actor Umezawa Kyonosuke into the center of the case.

Episode 1: The Beginning of Madness

Force to repay mounting losses after a raid, Umezawa enters a risky moneymaking scheme while Kurosaki pushes him to gather evidence.

Episode 2: Another Mad Dog

As police investigate drug allegations surrounding a beloved star, Umezawa is caught between loyalty to Kurosaki and his ties to the criminal organization.

Episode 3: Uncover the Hidden Face of a Popular Celebrity!

Under Kurosaki’s orders, Umezawa monitors Aoi. However, a risky undercover mission and simultaneous demands threaten to expose him as a double agent.

Episode 4: Infiltration into a Dark Social Club

Kurosaki and Umezawa launch an unauthorized sting operation to track down Kaga, a suspect willing to take drastic measures to resist arrest.

Episode 5: The Mad Dog’s Rampage

Following Katsuragi’s orders, Umezawa digs into his partner’s past while Kurosaki drills Kaga with increasingly unconventional interrogation methods.

Episode 6: The Day The Mad Dog Was Born

For his latest mission, Umezawa must infiltrate a yakuza gang led by a bizarre germaphobe. However, he first needs to deal with Matsubara’s sudden ambush.

Episode 7: The Obsessive-Compulsive Boss

Entrusted with Saeki’s cocaine smuggling operation, Umezawa hopes to finish his undercover investigation. However, he’s surrounded by Saeki Family goons.

Episode 8: The Price of Betrayal

Faced with a desperate situation, Umezawa tries to make a deal with Saeki but receives a chilling test of loyalty that drags him into deeper hell.

Matori & Kyoken Men in the Back Alleys

Episode · Musim 1