Episode 1
After his partner is killed, Gun Woo joins the elite undercover unit the Criminal Investigation Team and goes deep undercover to recover an old friend.
Series
Hidden Identity
신분을 숨겨라
2015EndedSouth Korea65 min
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What's it about?
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 …
Where to stream?
AvailableChecked 09/29/2026 · United States catalog · account required.
Tubi TV
Amasian TV
OnDemandKorea
The Roku Channel
Availability data partly provided by JustWatch via TMDB.
Cast
Kim Bum
김범
Cha Gun-woo
16 episodes
Park Sung-woong
박성웅
Jang Mu-won
16 episodes
Yoon So-Yi
윤소이
Yoo Min-joo
16 episodes
Lee Won-jong
이원종
Choi Tae-pyeong
16 episodes
Kim Tae-hun
김태훈
Min Tae-in
16 episodes
Kim Min-jun
김민준
Teacher Jung
16 episodes
Kwon Hae-sung
권해성
Choi Myung Shik
16 episodes
Lee Min-ji
이민지
Yeon-soo
1 episode
8 people — scroll sideways
Crew
Director
Kim Jung-min
Writer
강현성
Episodes
Season 1 — 16 episodes · from 06/16/2015
Page 1 of 1 · Episodes 1–16
Episode 2
Though 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.
Episode 3
Min 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.
Episode 4
Gun Woo officially joins the team and puts his investigation skills to use as they track a hacker known as the Mermaid.
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Episode 5
There's no description for this episode yet.
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Episode 6
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1 guest appearance
Lee Min-ji (Yeon-soo)
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Episode 7
There's no description for this episode yet.
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Episode 8
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Episode 9
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Episode 10
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Episode 11
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Episode 12
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Episode 13
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Episode 14
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Episode 15
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Episode 16
There's no description for this episode yet.
Image gallery
Posters (3)
Stills (2)
Images © their respective rights holders · Source: TMDB