In Corvallis, Ore., a daycare provider grows alarmed when bright and energetic toddler Karly Sheehan starts exhibiting strange new behaviors, while, at the same time, she appears to be losing her hair.

When Mary Rose's 15-year old daughter, Annette, takes up with 41-year old Felix Vail in 1981, Mary is concerned. But it's not until Annette disappears three years later without a trace, that Mary begins to discover Felix Vail's dark history.