Nice guys don't always finish last as can be seen in this crime drama. The story begins as a perfectly nice fellow finds himself arrested for murder. The trouble is, the man cannot remember a thing about the night of the murder. Though he insists he is innocent, all the evidence tells a different story. He was found at the scene with a bloody knife in his hand. Fortunately, a policeman friend, believes him. He gets him out of jail and together, they begin looking for the real killer. They soon find that the set-up was perpetrated by his uncle who strongly disapproved of his dating his ward. The woman who died had been the uncle's lover who was blackmailing him. To get even with them all, the uncle drugged his nephew, killed his mistress and planted the knife upon his unconscious relative. In the end, the uncle is arrested and the nephew and his lover live a long and happy life together.