What would you do . . . if you found out you had a long-lost sister?
Who was completely different from you, and totally perfect?
Who came to live with you, and ruined your life?
Sophomore Acadia Greenfield’s world turns upside down when her dad finds out he has another daughter he never knew about, Elizabeth–who’s the same age as Acadia. When Elizabeth’s mother dies and she comes to live with the Greenfields, the family begins to fray. And Acadia feels like she’s being replaced at home, at school, and in the heart of her long-time crush.