A simple handyman, who also is an amateur artist, gets into trouble when the head and shoulders portraits of some prominent local females are sold without his knowledge to an advertising agency and are published with nude bodies added to them.
Jilted by his fiancee, Arthur Pilbeam gets a job as far away from women as possible. Alone in a lighthouse, he soon finds that 12 other people end up living on the tiny island. Thirteen is an unlucky number; and one-by-one they disappear ...
When a wealthy, lonely university music student is beaten and has his apartment trashed by a fellow dorm resident-bully and his gang, he goes mad, lures the bully into his room on pretense of forgiveness, slips him a paralyzing agent in a drink, throws him in a trunk and locks him in, and taunts the bully with the promise that he will be buried alive in the trunk. Only, once he gets his trunk and his prey to his country estate, the vengeful victim finds things keep going wrong...
