介绍：警方收到匿名恐吓信，在豪斯曼学院即将举行的阅兵仪式，有人要射杀外国大使平日这名外国大使都被严密保护，一直在防弹车内，但是这次阅兵仪式他会走出汽车，与学院的老师和学生们一起迎接阅兵。为了保护大使的安全，德国警方出动各方警力，做好一切安排，大家都希望这次恐吓信只是虚惊一场。正如警方负责人所说，危险时刻只有三分钟，但每一位警察都要高度关注，时刻戒备。这场突如其来的刺杀事件会带来什么后果呢？德国警察是否可以临危不变？

介绍：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 start to explore the possible ghost activities - until the true horror begins.