Kate struggles over the dilemma of whether to stay silent and protect both herself and the hospital, or tell the patient's parents. Billy and Danny search for a street 'doctor', after one of his patients is brought in with severe internal damage. Dr. Grad successfully inoculates an ape with the AIDS virus using a vaccine she created. Harold Aldrich is temporarily hired as Birch's replacement. Camille asks Nyland to write her a prescription for sleeping pills.
Gunfire erupts while they're in the apartment, forcing the doctors to stay until the gunfire abates.
While there, Nyland does his best to save a man impaled on a pipe, while Dennis braves bullets to bring in medical assistance. Diane worries that she might have contracted HIV from Bam-Bam, a laboratory animal. Camille is brought in after suffering a seizure while dancing. Billy treats a high-school baseball phenom with possible colon cancer. Stephen Furst reprises his St. Elsewhere role, Dr. Elliott Axelrod.