4K Shi tu xing zhe (2016) online Year: 2016 Country: China, Hong Kong Director:Jazz Boon Stars: Nick Cheung, Louis Koo, Francis Chun-Yu Ng Stars: Nick Cheung, Louis Koo, Francis Chun-Yu Ng Genre: Thriller / Action Several cops went undercover. Due to some issues, all undercover identities were wiped clean from the police database. Watch Shi tu xing zhe (2016) online