Dr. Gorman is a millionaire adventurer, traveling the world in search of dangerous game. His bored, beautiful, much younger wife entertains herself in the arms of other men. In turn, Gorman uses his animals to kill these men. When a New York City zoo suggests a fundraising gala, Gorman sees a prime opportunity to dispatch the dashing Roger and anyone else who might cross him.
James Cagney star's as Tom Powers, a trouble-ridden individual who rises from the position of cheap thug to that of a powerful Prohibition gangster. When his best friend is murdered, Powers self-destructively seeks deadly retaliation.
Allen Colby, heir to a huge fortune, is presumed drowned after an ocean liner sinks off the coast of Honolulu. Mysteriously, Colby reappears at his mansion only to be murdered soon after. When his body is discovered during a seance, everyone in attendance becomes a suspect, and it's up to Chan to find the murderer before he or she strikes again.