该片故事讲述萨曼莎(瓦伦蒂娜·贝莱饰)在上学途中被一只巨型兔子绑架。15年后，在医院的她很震惊她还活着。格林博士在她身旁，试图帮助她回忆。在萨曼莎的回忆中，她被困在一个地下监狱，在那里有人强迫她玩游戏、解谜语和谜题，还有奖罚机制。同时一位命不久矣的天才前调查员也在调查这桩神秘事件。

When six-year-old Sophie is tragically orphaned guardianship is assigned to her estranged aunt Annabelle. The two move into a large, eerie, Victorian house where Sophie unearths a locked wooden box with a strange symbol drawn on it. Desperate to connect with her niece Annabelle pries the lock open revealing a beautiful music box. Each time the music box is wound and replayed it's surprisingly chilling melody plays slightly longer, captivating Sophie even more. When the music box begins affecting Sophie's behavior and health Annabelle seeks the aid of a child psychologist and clairvoyant who soon discover the music box is possessed by an evil spirit who seeks to haunt Sophie and destroy Annabelle. As the haunting intensifies time begins to run out and Annabelle finds herself racing against the music box's melody to defeat the spirit before the last note plays.