Harold Gern, a shady businessman from New York, is spending a holiday in Puerto Rico with his attractive wife Evelyn. They are joined by Martin Joyce, Harold's lawyer, who has come to discuss the latest indictment. Harold invites him along on a boat trip during which all three try out some newly bought scuba diving equipment. When they resurface, they find out that the world has changed forever.
Last Woman on Earth is a 1960 American science fiction film that was produced and directed by Roger Corman. It tells the story of three survivors of a mysterious apocalypse, which appears to have wiped out all human life on earth.