Five siblings are driven to Hollow Ridge, a remote house with a troubled past, after receiving an enigmatic letter that promises an inheritance that may transform their lives. They quickly learn that their family's heritage is cursed and that facing the horrifying truths buried deep inside their lineage is the only way to break free from it. They find themselves alone and surrounded by rumors of ancient rites.
The siblings discover a terrifying truth when weird events turn deadly: unless a sacrifice is made every generation, the evil spirit haunting their ancestors will never be put to rest. They are fighting against time to get out of the curse's lethal grasp while battling betrayal, secret tunnels, and haunting apparitions in their desperate attempt to survive.
But the stakes are higher than ever as Aveline divulges a startling fact about her background. Will they all be consumed by the curse, or will they make the ultimate sacrifice to preserve their family?