On the morning that Simon Fisher dismisses him, Jack Norman, who has fallen in love with Kate Blair, the bookkeeper, is notified that he has fallen heir to $80 million, the estate of murdered financier Silas Gyde, who once loved Norman's mother. Kate decides that she will not marry Jack until she can see what effect sudden wealth will have upon him. After many adventures, Jack discovers that the gang that murdered Silas is after him, and he persuades an actor friend to pose as the heir, while he acts as secretary. His friend Bobo is vamped by Marion, a female gang member, who marries, then tries to rob, Bobo; but Jack arrives with the police and captures the entire gang.