A spacecraft crewed entirely by women inadvertently navigates into a meteor field, resulting in a significant loss of fuel that prevents them from returning home. They are compelled to land on a planet that has been transformed into one of the universe’s most perilous penal colonies to replenish their fuel supply. Upon arrival, they discover only two men remain on the planet, locked in a physical struggle. The women are unable to determine which man is the officer and which one has methodically murdered the other inmates. As the situation unfolds, the women are killed one by one. The mystery remains: who is Convict 762?