One rainy night in an arms factory near Shanghai, a young female worker accused of stealing a box of bullets from the ruthless Boss Ding is violently killed in a game of Russian roulette. Half a month later, a series of inexplicable deaths takes place in the factory, where the victims are shot but no bullets are found. Rumors of a deadly curse begin to spread in the factory, terrorizing the workers there. So, eccentric police inspector Song Donglu and his hot-blooded, gunslinging partner Guo Zhui are sent in to investigate the mystery of the phantom bullets...
劉青雲
as Inspector Song Donglu
謝霆鋒
as Captain Guo Zhui
杨幂
as Little Skylark
吴刚
as Police Chief Jin
井柏然
as Xiaowu
高虎
as NPA senior officer
Jiang Yiyan
as Fu Yuan
錢嘉樂
as Wu Zhongguo
鄭希怡
as Li Jia, forensic doctor
王紫逸
as Wang Hai
阮德鏘
as Nan Cheng
江道海
as Mr Huang, Sulfur manufacturer
