Teenage beach party/spy spoof/musical comedy about a plot to bomb a music fair. As his boss is on vacation, a superspy's butler must come to the rescue, while being pursued by a trio of gorgeous assassins who're agents of F.L.U.S.H. Features George Barris hotrods, along with the musical talents of Gary Lewis and the Playboys, The Astronauts, The Knickerbockers, Freddy and the Dreamers, and the only film appearance of The Turtles.

In this Depression-era tale, Calef McKinney, traveling from Michigan to California, stops in Spooner, Missouri, where Lute hires him for odd jobs. Calef gets involved with Lute's niece, Hannah. But she's married to Sidney, a wife-beating drunk who hopes to inherit his uncle-in-law's money. Sidney and an eccentric preacher plot against Calef, who finds it difficult to conceal his mysterious past and his growing affection for Sidney's wife.