Summer is living with her Aunt and trying to cope with the death of her mother, which she believes she caused. As the guilt continues to consume her, nightmares seem to be never ending, and the world around her becomes increasingly menacing and twisted. She begins to hear voices and see demonic visions. A stranger named Bradley suddenly appears in and out of her life without warning, making her wonder whether he is a real person, a figment of her imagination, or a spirit that is haunting her. As the visions and attacks get progressively worse, Summer soon realizes that everyone and everything around her is a threat. The clock is ticking and Summer must solve her own riddle before her soul becomes devoured forever.