As superman hunts for kidnapped armored-car drivers and a stolen fortune, Jimmy, loccked inside a falling safe, hurtles to his doom.

Lois Lane is kidnapped while on the trail of a suave but deadly criminal mastermind and a hidden priceless gem.

Clark Kent is the man on the inside, posing as an ace safecracker to get the goods on a crime ring.

Jimmy Olsen: Scientist. The anti-gravity fluid he creates with his chemistry set draws interest from military men...and criminals.