When his mother commits suicide, Tom Redding discovers he has a long lost sister that cannot move or talk. Together they travel to their dead mother's isolated home where Tom hopes to document her illness only to be driven to the brink of madness by a supernatural evil. 　　译文(2): 当他的母亲自杀，汤姆雷丁发现他有一个长期失散的妹妹，不能移动或说话。他们一起前往他们死去的母亲与世隔绝的家，汤姆希望在那里记录她的病情，结果却被一个超自然的恶魔逼到了疯狂的边缘。