New name, same person: Deb Chen returns to the ER as Jing-Mei Chen and immediately shows off her great memory to Carter's annoyance. Kovac's strong sense of family involves him in the fate of brothers facing separation. Greene invites his dad to reside with him in Chicago. Dr. Malucci fixes Kerry's car and learns a young patient has a fatal disease. Goofball students arrive in the ER to do a scavenger hunt. Benton doesn't agree with Cleo's approach to an overstressed young high school athlete.