On a class trip, five friends are kidnapped by an evil doomsday cult seeking to achieve immortality with an ancient pagan artifact – and who will stop at nothing to do it...　　Berlin students Ben, Jonas, Leo, Ozzi and Sophie are on a class trip to boring Hildesheim. Their schedule includes visiting the medieval cathedral and witnessing a complete solar eclipse, but destiny intervenes… A bomb goes off at the cathedral and the students are evacuated by the police, only to find themselves in the clutches of an occult secret society calling themselves the Lunaris Cult, who aim to use an ancient pagan artifact, the Irminsul, to harness the vital force of their teenage captives and use it for their own purposes on the eclipse. The evil cultists are after immortality and divine power, and are even prepared to sacrifice the friends' lives.　　Ben and his gang manages to escape. Chased from one danger to the next, the cultists pursue them, closing in on them more and more. The fanatics have it all planned out, it seems, leaving nothing to chance. They disable the cell phone networks and satellite connections, leaving the friends to fend for themselves …

　　柏林近郊一間偏僻又陰森的療養院，充滿著各種不人道又恐怖的犯罪歷史。一群年輕的YouTuber 非法闖入靈異謠言最恐怖的手術區進行24小時的挑戰，並希望影片會在網路上竄紅。全副武裝戴著夜視鏡和溫度探測器，這群不怕死的網紅屁孩們決心要驗證這間荒廢許久的療養院所流傳的各種靈異傳說是否屬實。但他們很快便發現，這棟廢棄的療養院中不是只有他們而已，某種長年存在於此的神秘力量並不歡迎他們，想活著離開這棟療養院似乎為時已晚……

在柏林上学的五位好友，本、卓娜斯、里奥、奥兹和索菲正在前往希尔德斯海姆进行一场学校的旅行。他们的日程安排包括参观中世纪的大教堂，观察日全食，但却遭遇大教堂里的炸弹爆炸，学生们被警察疏散，五人却发现自己陷入了一个神秘组织的魔掌中。他们的目标是使用古老的异教神器剥夺五位少年的生命力，并在日食时让自己实现永生。本和他的好友们设法逃脱，却困难重重，手机网络和卫星连接被屏蔽，危机接连而至，这些狂热分子似乎早已计划周全，他们似乎没有任何机会。