When Angel's parents split up, she has to live with her mother and her little brother, Sean, in a shabby old house that is already inhabited by BJ, a rebellious teenaged ghost who died in 1959.

Fed up with sharing her house with BJ, an irritating ghost who acts like her big brother, Angel digs into the past to discover the truth about BJ's death in 1959, and realizes that only she can help him find peace