Juile, an airline hostess, has her mind made up to marry South American millionaire Rico Vargas, in spite of the efforts made by her former boyfriend, Lee Darling, a television star, to win her back. Rico's sister, Astra, makes a play for Lee, who only responds to make Julie jealous. As the plane bearing Juile and others (includng all the credited musicians and bands) is about to depart, Herb Jefferies smuggles Lee on board so he can have a chance to dissuade Julie.

A group prison breakout goes from bad to worse when the desperate warden tries to steal the gang's dough.

A series of grisly murders plague a small mountain community and the sheriff suspects a local scientist whom he dislikes. Together with a former professor and the professor's pretty daughter, the scientist sets about solving the crimes and discovers the killer is an oversized 16th century conquistador, resurrected by a lightning bolt from his mountain grave.