The Last Woman on Earth
The Last Woman on Earth is an American Science Fiction film produced and directed by Roger Corman, that tells the story of a mysterious apocalypse that makes all the human lives on earth disappears. Harold Gern is a successful businessman from New York who is constantly in legal troubles and he is on a holiday in Puerto Rico with his attractive wife Evelyn whom he is married. Martin Joyce, Harold's lawyer, join them to discuss the latest indictment.
Harold invites him to go on a boat trip during which all three try out some newly bought scuba diving equipment. When they resurface, they are unable to breathe without using their scuba tanks. They climb back into their boat and find the crewman dead apparently of asphyxiation. Upon rowing ashore, they enter on the jungle. With their air running out, they discover that the foliage gives oxygen they can breathe.
When they go into town they find nobody left alive and cannot contact anyone by the radio too. They might be the only survivors in the area, maybe in the world.
They have to becoming self-sufficient.
Two men fish—marine creatures have survived. Later, they also find living insects and baby chicks, presumably newly hatched. Harold feels that in the long run they will have to move to the north to a colder climate to avoid an insect problem and also problems with food preservation and to increase their chances of meeting other survivors.
Soon, a love triangle develops because there is only one women and they are two men. Tensions and the need for a woman begin to effect the two men and eventually they get into a fight. Halrold hits Martin on the head first with a rock and later with the butt of a gun. The conclusion is more than what Martin can take and he eventually dies. Harold and Eve are the only ones left in the world and wondering what to do and where they go now.