An explosion in a high school science lab brings a flood of patients to the ER. Lawrence's memory continues to deteriorate, and more staff members become suspicious. Elaine tells Carter that she intends to go to Europe for a couple of months. Lucy and Carol compete for the one available rehab bed each of their patients needs. Dr. Dave learns about sympathy from a girl whose face was burned in the explosion. Benton inquires about DNA testing. Jeanie's home life becomes hectic, taking care of her new baby.

Greene searches for his father, who is supposed to have arrived from San Diego earlier in the day. Corday crosses ethical lines to save the life of a rapist while Kovac and Weaver work feverishly to save the woman he raped. Lucy regrets letting a choir director leave the hospital. Cleo treats an alcoholic teenager. Dr. Lawrence saves a life before departing to live with his son. Weaver hires Kovac as the ER's new attending. Carol visits Meg, who has now had her son and is preparing to go to jail.