Carter is overwhelmed by patients from a rock concert riot. Benton's former girlfriend and Reece's mother is killed in a car accident. Newly promoted to chief resident, Chen panics and misdiagnoses a patient. Kovac angers Abby by flirting with a waitress.
- Just when Dr. Carter thinks he's finished for the day, the ER sucks him back in and he is swamped by problematic patients.