- After the mysterious disappearance of her sister Ivana, Linda can't sleep anymore. As the police doesn't seem to get any further in the case and more and more people disappear without any trace it gets even worse. Nina and her boyfriend won't get any help from the authorities, so they start investigating on their own. Equipped with cameras they go to the cursed forest and search for Linda's sister. But what they don't know yet: they're on the trail of the legend of Grete Müller. As they discover a bunker entrance, danger becomes real and the cruel nightmare begins.