In this convoluted thriller a manipulative woman gets entangled in her own web of deceit. The story is set in Mexico, where an unlucky wanderer has come to fish. There he falls for a woman that he spied on the beach. She begs the drifter to murder her domineering husband. The man refuses, but does not leave her. Upon learning that he has been cuckolded, the enraged husband fakes his own death in the hopes of framing his wife for the murder. A sleazy detective clears her name officially, but then he begins blackmailing her. If she doesn't pay, he will reveal the affair she has been having. She stops that game by murdering the gumshoe. She is shocked to discover that her husband is still alive. Finally, the three characters meet upon the beach. There she shoots her husband. As he dies he shoots her back. She dies in her lover's arms.