Harold likes to gamble, but as a rule he loses and he is heavily in debt. His uncle is the famous Big Fred who is the owner of a football team and he is a millionaire. But Harold can't get a dime from him. So Harold decides to kill his uncle by a pipe bomb under his car. He is not surprised when he is told Big Fred is dead. He is surprised however that the death is due to a road accident. He rushes to his uncle's house and he finds Lt. Columbo getting excited about the car with the bomb...