Titre original : Completely Foolproof
Joe Brisson is a crooked land developer who is shocked when his wife Lisa informs him that she wants a divorce. Lisa tells him that she wants three-fourths of his extensive holdings or she will go to the police with evidence of his shady land deals. Joe refuses to pay and convinces his wife's boyfriend, Bobby Davenport, to kill her in return for the cancellation of a large debt. Joe heads off to Europe on a cruise ship. Before leaving he tells Bobby that he will call Lisa from the ship at a certain time. When Lisa goes to answer the phone, Bobby will kill her. Everything goes according to plan, but when Joe is hanging up the phone a man enters his cabin. He shoots and kills Joe after telling him that he was hired by Lisa.