The Stool Pigeon

The Stool Pigeon is a 2010 Hong Kong-Chinese action thriller film directed by Dante Lam and starring Nicholas Tse, Nick Cheung and Gwei Lun-mei. The film is about police detective, Don Lee (Cheung), who uses informants to gain information about gangsters. Lee begins to feel guilty when his informants are caught, but sends out a street racer named Ghost (Tse) as an informant to gain information about a gangster name Barbarian (Lu Yi).