Gap Dong

In the small town of Iltan, a string of brutal murders takes place, leaving the community in shock. Seventeen years later, Moo-yeom, a determined detective and son of the accused killer, is determined to uncover Gap-dong's true identity and bring him to justice. As new clues emerge and the investigation unfolds, Moo-yeom must confront his own demons and confront the possibility that Gap-dong may still be out there, waiting to strike again.

You can stream Gap Dong on: Tubi

Some TV shows that have similar genres and were produced around the same time as Gap Dong include His & Hers, The Night Manager, Agatha Christie's Seven Dials, Dark, Run Away, Dept. Q.