Hidden Identity

The heat is on in Investigation 5, an undercover police unit specializing in thwarting violent crimes. Led by Superintendent Jang Moon Won, this team of young and elite officers, including Cha Gun Woo, Jang Min Joo, and Lee Won Jong, assume new identities and infiltrate dangerous crime syndicates. With only their wits and poker faces at their disposal, can the team complete their missions without blowing their covers in hostile territory?

Directed by —, Hidden Identity leans on a strong ensemble — Kim Bum, Park Sung-woong, Yoon So-Yi — to carry a story that balances spectacle with character.

The series landed with audiences for its craft and performances, and remains one of the most talked-about crime titles of 2015.