Joo Seok-je

At the same time as murder suspect Yeo-hoon is brought unconscious to the emergency room following a shooting incident, an assailant breaks into the house of Tae-jun, the emergency room's doctor in charge, and kidnaps his wife. The kidnapper calls the doctor and tells him to bring Yeo-hoon to him. To retrieve his wife, Tae-jun has no option but to save the patient and sneak him away before the police can notice.

To nab a sales manager who's at large after murdering his family, a detective investigates the man's colleagues, who seem to be hiding something.

Bok-ja is granted a special vacation after her death, which allows her to go see her daughter, Jin-joo, a university professor living abroad. Unlike her expectation, Bok-ja finds Jin-joo living in her old house running a local diner and becomes frustrated with questions that she is unable to ask. After spending time alongside Jin-joo, Bok-ja realizes that her daughter is struggling with the unresolved feelings about her, and tries to find a way to show her sincere feelings that she had never shared before.

A chaebol cop joins forces with a gritty detective to take down criminals with a touch of wealth and a whole lot of wit.