She thought she'd buried her past. But what if it's been hunting her this whole time?From the bestselling and award-winning author of The Marsh King's Daughter comes a startling novel of psychological suspense as two generations of sisters try to unravel their tangled relationships between nature and nurture, guilt and betrayal, love and evil.You have been cut off from society for fifteen years, shut away in a mental hospital in self-imposed exile as punishment for the terrib