Elvis plays Johnny, a riverboat entertainer with a big gambling problem. Donna Douglas plays Johnny’s girl, Frankie. A fortune teller tells Johnny how he can change his luck. Enter a new lady luck played by Nancy Kovack and the cat fight begins.

Simon Cordier, a French magistrate and amateur sculptor comes into contact with a malevolent entity. The invisible – yet corporeal – being, called a “horla” is capable of limited psychokinesis and complete mind control.

Jason, a fearless sailor and explorer, returns to his home land of Thessaly after a long voyage to claim his rightful throne. He learns, however, that he must first find the magical Golden Fleece. To do so, he must embark on an epic quest fraught with fantastic monsters and terrible perils.