Choi Joon-ho

After a prosecution lawyer is framed and convicted for murder, he tries to catch the real murderer from jail with the help of a con artist.

A homicide detective tries to flush out a mob enforcer by befriending the suspect's beautiful girlfriend, but soon develops romantic feelings for her.

Soo-kyung works as a reporter. She has an older brother, Sung-ho, and younger sister, Joo-mi. She thinks of her two siblings as burdens. One day, Nak appears in front of them. He is their youngest sibling.