A gun hand named Lane (John Wayne) is hired by a widow (Ann-Margret), Mrs. Lowe, to find gold stolen by her husband so that she may return it and start fresh.

In flashback from a ‘Rebecca’-style beginning: Ellen Foster, visiting her aunt on the California coast, meets neighbor Jeff Cohalan and his ultramodern clifftop house. Ellen is strongly attracted to Jeff, who’s being plagued by unexplainable accidents, major and minor. Bad luck, persecution…or paranoia? Warned that Jeff could be dangerous, Ellen fears that he’s in danger, as the menacing atmosphere darkens.

One day, the three self-described Teen Angels, Brenda (brunette), Dee Dee (African-American) and Taffy (blond) found a caveman encased within a prehistoric block of glacial ice, and they set him free. Turns out, their newfound companion came in handy when they needed muscle while solving mysteries.