An actor is recalled to active duty with the Army's C.I.D. to find the thief who stole historical jewels in occupied Germany and the trail leads to the boyfriend of a young debutante from Bel Air.

An engineer, a psychologist and several other disparate types take part in an experiment to see if people can live for extended periods of time in a city built under the ocean.

Ex-NBI agent seeks revenge for friend's death and attempts to rescue his love from a kidnapping syndicate leader responsible for both crimes.