When Soren Stackwell returns to Louisiana to find his missing sister Saskia, he discovers his family is bound by a two-hundred-year old pact with an ancient entity called The Old One. With help from Talulla, an immortal guardian, Soren learns that every third generation, someone from his bloodline must serve as a vessel for this dark power. As The Old One begins possessing Saskia, Soren makes the ultimate sacrifice to break the curse forever.
