Three days before Christmas the body of a bearded man in a tailor-made Santa outfit turns up in a sewer; Brennan visits her father in prison and plots a nontraditional holiday reunion.
House is furious about Wilson striking a deal with Tritter, and at the same time, he tries to diagnose a little person's serious illness.
Naomi struggles with the idea of genetically designing babies; Violet suddenly decides to try electric shock therapy on a patient.