Swedish-born law student, Sofie Lackberg's life is sent into perilous turmoil when she spots a flyer advertising a care assistant job for one night in a palatial Victorian house of gothic architecture and a marble demon out front standing sentry. But the money is too good to turn down for Sofie to keep up with her student fees. Her decision however is the worst she will ever make. The occupants aren't what they appear. Hooded figures capture and restrain her for sacrificial purposes. Sofie has been the chosen one since her birth to give life to the creature only known as ”the thing with the goat's head”. Can Sofie change her destiny before it is too late? Or will the harrowing truth of her own existence be beyond her control?