Chan Wing Yan, a young police officer, has been sent undercover as a mole in the local mafia. Lau Kin Ming, a young mafia member, infiltrates the police force. Years later, their older counterparts, Chen Wing Yan and Inspector Lau Kin Ming, respectively, race against time to expose the mole within their midst.

2008 Hong Kong film directed by Stephen Chow

In 208 A.D., in the final days of the Han Dynasty, shrewd Prime Minster Cao convinced the fickle Emperor Han the only way to unite all of China was to declare war on the kingdoms of Xu in the west and East Wu in the south. Thus began a military campaign of unprecedented scale. Left with no other hope for survival, the kingdoms of Xu and East Wu formed an unlikely alliance.