The city of Thebes has come under the cruel domination of Sparta. Diomedes and several of his friends strive to throw off the Spartan yoke even while Diomedes romances Dorida, daughter of the Theban governor who's collaborating with Sparta.

A trio of gorgeous American tourists hope to find love while vacationing in Spain. Secretary Maggie Williams falls hard for a married newsman named Paul Barton while fighting off the advances of one of his employees. Singer Fran Hobson sets her sights on a handsome European doctor. And coed Susie Higgins receives an unexpected proposal from smooth-talking womanizer Emilio Lacaya.