Alien Katherine Green has stolen a wondering young man in the forest. She takes off his slave gas, and he comes back to the room. He awakens panicked, strapped down in chains on her spaceship. Sexy alien Katherine dressed in silver shoots truth serum into his mouth. Finally he is obedient and answers any questions she desires. She interrogates him, getting out the most intimate details on how the male specimen functions on earth. She performs a series of medical tests to see if the mail specimen should serve useful on her planet inhabited solely by feminine alien creatures.