Nurse Catherine Foxx is training young intern Arianna on the techniques used for castrating patients, Even though it is for their own good, and everyone else's some patients are uncooperative and need to be restrained. Nurse Foxx shows the intern the castration device and then gives her hands on training on emptying the testicles prior to removing them. She shows that with PROPER TECHNIQUE the patient CAN'T RESIST CUMMING even though he knows it will be the LAST ONE OF HIS LIFE.