Teel Alexander has the perfect life: a happy marriage, two beautiful, smart daughters and a teaching job she loves. LIttle does she know that the siren she hears in the middle of the night is the beginning of a nightmare, a nightmare that threatens to unravel the happy life she and her family have been taking for granted.
A neighbor girl, once a friend of her younger daughter's, is dead. Marin's suicide devastates Teel, but her daughter's reaction-or lack of reaction-leaves her feeling cold and afraid. Teel must fight to save her family, starting with the daughter who has become a complete stranger to her.