A honeymoon couple in New York for one night of wedded bliss before he's to join the army, become involved with gangsters after they find a cadaver under their bed.

A boxer is killed in the ring, and the only clue is a tune that a man was whistling.

Lester is a clumsy and awkward TV repair man who is nevertheless gifted technically. In helping out a friend, he is drawn into a mystery involving a missing heir in a rich family. He begins to notice little things, like how much those family portraits look like him. Surely..no..he can't be...can he ?