Eric tries to unravel the mystery surrounding a young homeless girl, Sarah James, that Simon brings home who's lost. Eric tries to help her and her alcoholic father, Joe James. Matt delights the prospect of going away to college. Matt says he needs personal space when having a older woman sleep-over. Also, sharing a room begins to fuel differences between Mary and Lucy.

Jerry Gold returns from Germany and it seems just like old times for Murphy and Jerry and the gang. Even Kay sees it as she tells the gang how she thinks there perfect for each other. Murphy and Jerry take the day off from work and feel the old sparks again. He inquires on her health