The mystery-solving team of the Teen Angels crack crimes with the aid of the recently defrosted Captain Caveman, the world’s first super-hero! Set free by the Teen Angels from his prehistoric block of glacier ice, comes the world's first superhero, Captain Caveman! Now the constant companion to the Teen Angels, Brenda, Dee Dee, and Taffy, in their hilarious, and sometimes scary mystery missions.

The film portrays MacArthur’s life from 1942, before the Battle of Bataan, to 1952, the time after he had been removed from his Korean War command by President Truman for insubordination.