Aidan Thomas is a hard-working family man in the small upstate New York town where he lives. He's the kind of man who always lends a hand and has a good word for everyone. There's one secret he's been keeping from everyone: he is a kidnapper and serial killer. Aidan has murdered eight women and there's a ninth he has earmarked for death: Rachel, imprisoned in a backyard shed. When his wife dies, Aidan and his daughter Cecilia are forced to move. He brings Rachel along, introducing her to Cecilia as a "family friend," betting that after five years of captivity she will be too brainwashed and fearful to attempt to escape. As Rachel tests the boundaries of her new living situation, she begins to form a tenuous connection with Cecilia, - adapted from jacket