Hidden IdentitySeason 12015 · 16 episodesEpisodes1Episode 1After his partner is killed, Gun Woo joins the elite undercover unit the Criminal Investigation Team and goes deep undercover to recover an old friend.2Episode 2Though Gun Woo is suspected of being a cop, the gang brings him along on a job. The Criminal Investigation Team finds Hae imprisoned by the gang, but he insists on staying to complete the mission.3Episode 3Min Tae In finds a way to extract himself and prove Gun Woo's loyalty. Complications ensue as as the criminals attempt to steal the hologram.4Episode 4Gun Woo officially joins the team and puts his investigation skills to use as they track a hacker known as the Mermaid.5Episode 56Episode 67Episode 78Episode 89Episode 910Episode 1011Episode 1112Episode 1213Episode 1314Episode 1415Episode 1516Episode 16
