When Julius and Rochelle decide to have a "date night," they hire a babysitter to watch the kids, but when she keeps leaving to take care of personal business, Chris is forced to cover for her.
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.
Lightman is called to a mental hospital to determine if a patient is being held against his will. Attempting to have the patient released, Lightman finds himself descending down a path that forces him to question his own sanity and brings him face-to-face with his own past.
Brothers Shane and Chris Worley have been Mary's witnesses for five years. They came into the program alone. Their parents are dead and Shane has been looking after Chris most of his life. Now it looks like all Shane's hard work is paying off. Chris is the star of his college basketball team and scouts are showing a lot of interest. The only problem is that Chris has started gambling and he's thousands of dollars in debt. Mary has to find a way to keep both brothers' lives from being destroyed by Chris' problem.
The team reopens the 1970 murder case of a 20-year-old musician, Billy, who was secretly instrumental in creating the popular Philadelphia soul sound. Billy tried to keep his involvement with the soul scene a secret from his strict preacher father for whom he was an organist. Meanwhile, Lilly meets her teenaged stepbrother, Finn.
