In 1970s Baltimore, fourteen-year-old Mary Jane is shy, quiet, and bookish, and she's glad when she lands a summer job as a nanny for the daughter of a local doctor. The house may look respectable on the outside, but inside it's a mess. And even more troublesome: the doctor is a psychiatrist who has cleared his summer for one important job, helping a famous rock star dry out. A week after Mary Jane starts, the rock star and his movie star wife move in.