In Laswell City, a series of bizarre homicides have emerged, with every victim'sskeletalremainsdeliberatelybroken.ForensicanthropologistEvelynteamsupwith Detective Jack to investigate, only to discover that all the deceased are linked to the St. Anna Sanatorium fire twenty years ago—a blaze officially ruled an "accident" that claimed the lives of her parents. As Evelyn delves deeper into the bones, she uncovers the truth: the sanatorium had been conducting illegal human experiments under the guise of medical treatment, and the director, Marcus, set the fire to cover up his crimes. Her parents were not killed in the fire, but were murdered by Marcus himself for discovering his secret. Just as Evelyn and Jack inch closer to the truth, the mastermind behind it all finally reveals herself—Lilith, the sole intact witness of the fire, and the ultimate orchestrator of this twenty-year-delayed revenge.