在这部恶魔之语剧情/恐怖/惊悚片中,一名警察开枪杀死了11名刚刚放学的小孩，恐怖小说作家因为疯狂的自杀未遂住进了精神病院，接二连三，很多人似乎听到一种声音，让人变得疯狂，血腥的自相残杀，最终当一切变得明了时，是魔鬼还是代言人，这一切让人怀疑。。。
In Montreal, on the same day that a policeman shot twenty-one children, killing eleven, without any reason, the successful writer Thomas Roy amputates his fingers and tries to commit suicide. Completely catatonic, he is treated by Dr. Paul Lacasse and his big fan, the pregnant Dr. Jeanne Marcoux, in a psychiatric hospital. When the journalist Charles Monette, who is writing a book about Thomas, schedules a meeting with Dr. Paul, he shows pieces of newspaper showing that Thomas was present to the last thirty-seven tragedies in Canada. Dr. Paul reads the notes and decides to investigate further the life of Thomas Roy, disclosing dark secrets about his past.
