The Netflix Korean drama - A Killer Paradox - is adapted from the webtoon of the same name and directed by Lee Chang-hee (Hell for Others). It tells the story of a college student who becomes a murderer due to an accidental incident and the police who pursue him viciously.

Choi Woo-sik plays the role of Li Tang, a college student with ordinary abilities. After he kills someone for the first time by accident, he realizes that he has the ability to identify evil people.

Son Seok-jiu plays the role of the "embarrassing detective" who investigates the murder case committed by Li Tang. The embarrassing detective has animal-like intuition and instinct, and has been wandering around Li Tang, opposing him.

Li Xijun plays the role of Song Cun. He used to be a policeman and began to track Li Tang's whereabouts alone.