This week, Lucy faces reality after a procedure she orchestrated goes south, Carol returns from maternity leave, Carter and Chen butt heads over what the best way is to help a woman and her mother, a water outage complicates patient care for the entire hospital, Mark treats a man whom he suspects is a domestic violence victim, Corday concludes her time with Dean, and the romance between Benton and Cleo begins, for better or worse. #Bench