Maggie O'Connors life revolves around her career as a nurse-until the surprise appearance of her sister Jenna (Angela Bettis) and Jenna's newborn baby girl, Cody. When Jenna suddenly disappears, Maggie is left to raise Cody (Holliston Coleman), an autistic child, by herself. But after Jenna returns with a mysterious cult leader (Rufus Sewell) and abducts Cody, Maggie discovers that the child possesses extraordinary powers that forces of evil have waited centuries to control. Together with a FBI specialist in occult-related crimes (Jimmy Smits), Maggie races to save the life of the innocent girl who may hold the key to save mankind ...or destroy it.