A woman uses black magic to kill off her rich husband, Lee Chan-Fu. She arranges to have his body buried face-down to keep him from returning to haunt her. The cemetery gravekeeper, who is secretly running a skeletal supply center for universities, retrieves the body. And in doing so, he unleashes Lee's ghost.

A young man wants to be a Hong Kong police officer but is too short to qualify. However, he doesn't let that stop him: he goes around impersonating an officer, investigating crimes and busting criminals. One day, he interrupts a bank robbery (by three men in drag), gets shot in the process and dies. When the case is assigned to a female investigator, he returns as a ghost to lend a hand at solving the robbery.

An aging crime boss discovers his rebellious daughter is dating a punk. His former gang members try to bring her back using tricks and force, only to find out the punk is tied to the drug business in America, and is not to be messed with.