Jung Jae-young

It follows the story of middle-aged office workers struggling to survive in a turbulent workplace.

Baek Beom has worked as a forensic doctor for 10 years. He has a bad personality, but he is excellent with his work. Baek Beom does not open his mind to other people. Eun Sol is a rookie prosecutor with a warm heart. She has a bright personality and she comes from wealth family background. The forensic doctor and prosecutor work together to solve cases.

Jang Deuk-Cheon is the chief of a crime squad. At home, he is kind and friendly father to his daughter. He meets a human clone and gets involved in a shocking case. A battle takes place between human clones.

Jin Sang Pil is elected as a member of the national assembly. Prior to becoming a national assembly member, he worked as a welder in a shipyard. He is simple, brave and righteous, but his work as a national assembly member is poor. With the help of his aid Choi In Kyung, Jin Sang Pil is able to become a honorable national assembly member.

Two detectives from Japan and Korea join forces to hunt a serial killer behind gruesome cross-border murders marked by cryptic dying messages.