An international group of film students finds a disturbing video clip on the dark web which seems to contain poltergeist phenomena. Agreed that it's just what they need for their latest documentary project the group travels to the sanatorium shown in the video clip. Once there, they rig up their camera equipment and st…

在试图驱除恶魔拥有的长发公主（奥利维亚·迪安（Olivia Dean））的尝试失败后，彼得罗辛努斯神父（雷蒙德（Urs Remond））在17世纪出售了他的城堡，并摆脱了恶魔的报应。几个世纪后，他的最后一位亲戚，电影系学生Alina（Tabea Georgiamo）随同摄制组来到了这座古老的城堡，在那里拍摄了毕业影片。但是相关的血再次唤醒了长发公主的恶魔。它希…