Under therapeutic hypnosis, a seemingly well-adjusted young woman tells a fantastic story, verified by lie detector, of her forgotten marriage to a man who disappeared on the day of their honeymoon, and of her search for him which takes her to a lonely mansion in a remote section of swampland tenanted by snakes, alligators, a drunken one-armed lout, a mysterious doctor, and a cold-hearted elderly woman who lives alone in a brooding manse.

A woman journeys to Spanish California to marry a Spanish officer, but on the way she meets and falls in love with an American adventurer who is part of a movement to overthrow the Spanish in California.

John Breen (John Wayne), a Kentucky militiaman falls in love with French exile Fleurette De Marchand (Vera Ralston). He discovers a plot to steal the land that Fleurette's exiles plan to settle on and aims to foil it.