Shortly after the United States enters World War I in 1917, a Broadway actress agrees to let a naive soldier court her in order to impress his friends, but a real romance soon begins.
Wolfgang is traveling in outer space when a monster, which he sees as a beautiful woman, appears in his spaceship and makes love with him. Then the ship is forced to land on a planet which is a penal colony. Here he meets Miranda who falls in love with him. A group of prisoners uses him and his spaceship to fly away from the planet. But the monster which is by now inside Wolfgang arouses and only Miranda's love can save him.