Code of Honor

A career-long undercover Hong Kong cop is sent to Mainland China when his former protégé becomes the primary suspect in a murder.

Chicken is back in exile. Hung Hing, a triad, is trying to ally with Chicken's new group, the Taiwanese triad San Luen. A contest is on in Hong Kong. The winner will head the Causeway Bay branch.

This time taking on the rival Tung Sing triad, who is attempting to usurp Hung Hing influence in Hong Kong by having Tung Sing member Crow frame Ho Nam for the murder of Hung Hing Chairman Chiang Tin Sang. On the plus side, Chicken finds a new love interest in Wasabi, the daughter of the comedic priest, Father Lethal Weapon Lam.

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.