A tough district attorney has been cleaning up the town, and has already imprisoned twelve dangerous criminals. As he is about to name the target for his next investigation, he is murdered in the midst of a crowd. The police have many suspects and hardly any clues, so two reporters decide to investigate for themselves.

After a good-natured Irish cop is framed for a diamond robbery and murder and presumed dead in a train wreck, he gets plastic surgery and returns to expose the real killers.

A playboy takes a job as an assistant district attorney, finds himself up against a tough crime boss and his gang.

A Persian novelist living in New York throws aside the woman who loves him, and she gets an American woman to help get him back. Meanwhile, the novelist's current novel is in progress, and it's dramatized for us as he writes.