When Cara Hansen receives a psychic prediction during a bachelorette party entailing "a demonic presence approaching her near future," she is determined not to believe that such supernatural things exist. But when she is visited at work by a strange man with unearthly features it seems only Cara can perceive, she begins questioning everything...including her sanity. As a string of bad events occur, beginning with the disappearance of a co-worker, she begins to uncover secrets she was never meant to know, including a realm of demons and her unexpected affiliation with them...