Chinese historical action drama centering on the exploits of legendary bladesman Guan Yu (Donnie Yen). While waiting on news of his warlord master Liu Bei (Alex Fong)'s whereabouts, Guan Yu helps out rival warlord Cao Cao (Wen Jiang) by lifting the siege of Baima. Refusing to renounce his loyalty to Liu Bei and accept an offer to lead Cao Cao's army, Guan Yu sets out to reunite with his master, but soon has to battle his way through a range of treacherous mountain passes as rival generals try to prevent him from leaving.

Prequel to the Hong Kong gangster thriller 'Infernal Affairs' (2002), set ten years before the events of the original film. Chen Ying Yan (Shawn Yue) has just become an undercover cop in the triads, while Lau Kin Ming (Edison Chen) is a new recruit to the police force. Bitter enemies from the first film, Inspector Wong (Anthony Wong Chau-Sang) and Sam (Eric Tsang) are behaving like old friends, while Yan is embroiled in the family saga of a triad cartel, and Ming has developed an oedipal fixation on his boss's wife. As friendships fracture and foes join forces, nothing is as it first appears to be...