Mantis, an ace assassin, returns to the contract killer industry after a hiatus, encountering his trainee friend Jae-yi and a retired legendary killer Dok-go, who now runs the organization.
Episodes: Ep 1 / 1
Ratting: Directors: Lee Tae-sung Writers: Byun Sung-hyun Stars: Yim Si-wan, Park Gyuyoung, Jo Woo-jin | See full cast & crew »
