Losing a child is at birth is devastating, but having a child is horrifying. Mary, a young newlywed, has the perfect life with her husband before she loses one of her twins at birth. The loss takes a toll on her emotionally and she starts to take medication to help her cope. As Mary begins to lose her handle on what’s real and what is imaginary, she spirals into a deep psychosis that convinces her a supernatural entity is out to take her only child.