Chris is put in charge of doing the family's laundry.
Lightman questions his own sanity while he tries to get a patient released from a mental hospital.
The team investigates the 1970 murder of a musician who kept his involvement with Philadelphia's music scene a secret from his strict preacher father; Lilly meets her teenage stepbrother.
The doctors treat dozens of people when the roof of a romantic restaurant collapses on Valentine's Day; Meredith struggles with her new duties as the chief's wife.
Mary learns that her first witness, now a college basketball star, has a gambling problem that could destroy the new life he and his brother have spent five years building.