Mel receives an untimely visit from her brother Sean, whose arrival in her life usually signals trouble. Tippi invites Sean to look around 232 and meeting Nat makes his head spin and he begins to consider a career change. Tippi has a frightening session with Martin whilst Lauren has a surprising encounter with her ex-husband's best friend Max. Trying to remain buoyant, Chloe prepares Bonnie for boarding school.
