After her return from school in Paris, a playboy finally takes notice of his family's chauffeur's daughter, who's long had a crush on him, but he questions his more serious brother's motives when he warns against getting involved with her. ...

An amnesiac finally learns his true identity...as a murder suspect. And he doesn't even know whether he is guilty... ...

A strange prehistoric beast lurks in the depths of the Amazonian jungle. A group of scientists try to capture the animal and bring it back to civilization for study. ...

A bored photographer recovering from a broken leg passes the time by watching his neighbors and begins to suspect one of them of murder. ...