A family have become disillusioned with one another. The father has an affair and is caught by his daughter, who has already hooked up with the free-love hippies who live next door. When her mother realizes, she too travels next door.

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.

Young pilot Tony Cardot goes on the run after inadvertently crashing his plane into a group of Gypsy children. He reaches Montreal and crosses paths with American gangster Charley Ellis, who forces him to join in his gang's latest scheme.