Jeon Mi-seon

A mother lives quietly with her son. One day, a girl is brutally killed, and the boy is charged with the murder. Now, it's his mother's mission to prove him innocent.

A sadistic serial rapist and murderer of young women terrorizes a small province in 1980s South Korea. To prevent further crimes, three increasingly desperate detectives with conflicting methods race against time to unravel the violent mind of the killer in a futile effort to solve the case.