A hired killer pairs up with an amateur filmmaker to provide clients with satisfying footage of enemies getting whacked in this black comedy. Business is down, so hit man Bart is thrilled when Mrs. Ma hires him to kill her enemies — and film the murders. But Bart’s first video killing stinks, so he hires filmmaker Chuen. Although business subsequently picks up, their notoriety creates complications.
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.