Alan and Halley are partners in a pest control company. Handsome Alan gets the girls and puffy Halley gets nothing. One night the two are injured in a car crash. Halley suffers slight injuries but Alan is dead for all purposes except his brain wave which still works actively. But when Halley cries over his "corpse", Alan bursts into ecplosive life. So the doctor decide to study this phenomenon and Alan agrees to be the guinea pig as he fancies the beautiful Dr. Emily. Halley discovers by accident a murder and is chased by the murderer who happens to be a police inspector...
Eddie (Donnie Yen) is a young man good at both fighting and breakdancing. His cousin Stella (May Lo) has a crush on him, but apparently he loves someone else. Eddie creates trouble when he tries to help out Mini (Yuen Woo-Ping), a hawker whose business is confiscated by the cops. Mini ends up moving in with Stella, Eddie, and his sister (Wong Wan-Si), leading to possible romance as the mismatched couples struggle to get by beneath the same roof. But a powerful fighter named Power (Dick Wei) admires Eddie's skills, and challenges him to a duel. Eddie refuses, so Power kidnaps Stella to get his way. With no choice remaining Eddie, decides to meet Power for a showdown.
