"Crime Puzzle" is a story where a criminal psychologist is sent to prison for murdering a political candidate, and the criminal profiler who loses her father to the murder is conducting interviews with the murderer for a case that occurs within the prison. These two used to be lovers just a year ago, until they meet again as a murderer and a criminal profiler, and face the unexpected truth to a series of murders. The thriller focuses on the process of them putting the pieces together, like a puzzle. Adapted from the webtoon "Crime Puzzle" (크라임 퍼즐) by Meen.

On behalf of female clients, Bok Soo Hae will take revenge upon the trashy men who have hurt them. With each act of revenge, a mysterious man appears on the scene.