伍兹一家搬进 Xaos House 大约一周后，他们的女儿艾莉在停电期间失踪了。艾莉的母亲凯拉调查后发现墙壁上刻有奇怪的符号。在经历了许多可怕的超自然经历后，她得出的结论是房子带走了艾莉。她发现一位名叫约翰·费瑟斯顿的物理学家和神秘学家痴迷于寻找第 11 维，他建造了这座房子，并在通往地窖的 10 个台阶上刻上了险恶的方程式。最后，凯拉必须与宇宙中最古老的恶魔战斗，否则将永远失去家人的灵魂。
About a week after the Woods family move in to Xaos House, their daughter Ellie goes missing during a power cut. Ellie's mother Keira investigates and finds that the walls have strange symbols engraved into them. After a number of terrifying supernatural experiences she comes to the conclusion that the house took Ellie. She discovers that a physicist and occultist called John Fetherston, who was obsessed with finding the 11th dimension, built the house and engraved sinister equations on the 10 steps leading into the cellar. Finally, Keira must battle with the universe’s most ancient evil, or lose her family’s souls forever.
