Dwight and his sister Jessie reach a crossroads over what to do about their little brother Thomas, a sickly child with a mysterious affliction.

Following the death of Ellen Leigh, the matriarch of their family, her daughter Annie and the rest of the family start to uncover disturbing secrets about their heritage. Their daily lives are not only impacted, but they also become entangled in a chilling fate from which they cannot escape, driving them to the brink of madness.