Two men and one woman are the last people on Earth. They are reduced to savagery, mate with the woman, and they learn to survive on a deserted island. They discover a dog living on the island with them, and the woman takes the dog as a lover, too. Shot on a shoestring with a cast of four--two men, a woman, and a canine--Eligio Herrero’s sci-fi fantasy Animales racionales (1983)...