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Secret
A detective suspects that his wife murdered a gangster's brother. As he tries to misdirect the police and the bloodthirsty gangster while independently investigating his wife, terrible secrets slowly begin to surface.
- Year: 2009
- Country: South Korea
- Genre: Thriller, Crime
- Studio: JK Film, CJ Entertainment
- Keyword: detective, suspicion of murder
- Director: Yoon Jae-goo
- Cast: Cha Seung-won, Song Yun-ah, Ryu Seung-ryong, Park Won-sang, Oh Jung-se, Kim In-kwon