Jennifer plans to relocate to St. Louis and take Rachel with her. Carter places Lucy in charge of the Halloween party at the dormitory so he can do research for his presentation. But trouble occurs when two medical students take drugs with alcohol and almost die. An operation reveals that a couple's little girl is genetically male. Corday, anxious to celebrate Halloween, gets a pleasant surprise from Benton, who dresses like the '70s film character John Shaft for a special date. Weaver gets disappointing news regarding her quest as Chief of Emergency Medicine.