Due to financial problems, Yilmaz family moves in their grandmother Saadet's house. But Saadet is not living alone as known. Saadet's old house, which is also a tomb of her deceased husband, is inhabited by beings from another dimension. And this beings don't want anyone in the house, but Saadet.
Evading the police, Issa and her brother Tomas seek shelter in a secluded orphanage in the forest. But the siblings’ safe haven soon reveals itself to be a hellscape controlled by a sacrificial cult in thrall to a fearsome nocturnal deity.