Chan Wai (Simon Yam) is a former inner-city policeman recovering from a traumatic experience involving an AK-47. After the incident, he was assigned to a rural island as police chief of a small village. He passes his uneventful days there drinking beer, smoking hash and daydreaming... but when a group of heavily armed thugs invade his district, he must face his trauma head-on and fight back.

A young orphan boy is rescued from the sea and raised by a pirate lord. Here he and his young companions become skilled pirates of the South China Sea.