Based on the H. P. Lovecraft story of the same name, a folklorist investigates reports of unusual creatures in Vermont only to uncover more than he bargained for

　　In the British countryside, the Harver family head out on an idyllic summer camping trip where they can bury past tensions and enjoy some family bonding. But when their camp is sabotaged by an unseen intruder in the night, they head to the nearby creepy old farm desperate for help, where vengeful farmer Hunt Hansen and his hideously deformed son aren't farming animals... Caged and waiting for their limbs to be severed, cooked and eaten one at a time, the Harver family must overcome their differences and unite in order to escape alive!

　　15歲的艾利克斯來自一個天主教家庭，他希望自己將來能成為一個牧師。當他無意中發現并打開了一個神秘的盒子之后，放出了一個一心要占據他身體的惡魔。艾利克斯必須找到辦法打敗這個一直在折磨兒童的古老的惡魔，否則將會毀掉他和所有他愛的人。

　　故事發生在蘇格蘭一個名叫英維思的偏遠寧靜小鎮。夜幕愈加濃重，年輕女警官瑞秋（Pollyanna McIntosh 飾）被鬧鐘喚醒，她有條不紊穿戴整齊，隨后出門行走在空無一人的街道中央。在某個路口，瑞秋目擊不遠處站著一位老人，但隨后老人被一輛飛馳而來的汽車撞到。瑞秋沖上前去，然而并未看到被撞之人，她只得將肇事者凱撒（布萊恩·沃納 Brian Vernel 飾）扭送回警局，與麥克·瑞德警長（道格拉斯·羅素 Douglas Russell 飾）一同審問。稍后凱撒被關入牢房，而警局的同事也找到了那名神秘且一言不發的受傷老人。　　令人難以置信的是，老人似乎擁有直抵他人內心的能力，同時也讓對方暴走瘋狂，這注定是一個不平凡的夜晚……