A career-long undercover Hong Kong cop is sent to Mainland China when his former protégé becomes the primary suspect in a murder.
Starring
Donnie Yen
Dragon Chan
Jing Tian
Fang Jing
Andy On Chi-Kit
Sunny
Ronald Cheng Chung-Kei
Captain Zhang
Nina Paw Hei-Ching
Amy (Long's Mother)
Collin Chou
Cheung Mo-Hung
Yang Zhigang
Lei Peng
Terence Yin Chi-Wai
Terry
Frankie Ng Chi-Hung
Triad Mahjong Player
Zhang Hanyu
Blade
Ken Lo Wai-Kwong
Brother Bo (Triad Mahjong Player)
Evergreen Mak Cheung-Ching
Brother Kun
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