Two female test subjects, Lily Lane and Kira Noir, are being investigated for their extreme sluttiness and cockiness. They are willing to do anything for science, and their virtual reality headsets will be used to test their limits.
The sight of young Marta's teenage pussy fires the wicked old doctor's fire, and all of a sudden, he wants to fuck her. Marta is wearing stirrups. After giving the girl an examination, he quickly has her on her knees sucking his dick in a manner befitting a good patient. They have sex with his new partner hunched over his desk and on the examination chair.