When bookseller Buzz cons Diana into thinking that his friend Stanley knows all there is to know about Africa, they are abducted and ordered to lead Diana and her henchmen to an African tribe in search of a fortune in jewels.
Atomic scientist/pilot Doug Martin is missing after his plane crashes on an reconnaissance mission after a nuclear test. Miraculously appearing unhurt at the base later, he is given sodium amethol, but authorities are skeptical of his story that he was captured by aliens determined to conquer the Earth with giant monsters and insects. Martin vows to use existing technology to destroy them.
Laura Mansfield catches a glimpse of mob hit man Jackie Wales after he shoots her businessman father. At the police station, Laura identifies Jackie as the murderer, but the policeman in charge of the case, Lt. Brewster, lets him go, citing a lack of corroborating evidence. Outraged, Laura worms her way into the unsuspecting Jackie's heart, trying to snare him and mob-connected club owner Armitage in her trap.
