Detective Joona Linna is on leave dealing with personal and professional issues when he gets pulled into the investigation of a horrific murder at a home for wayward teenage girls. One girl is dead, and another is missing. The local police want to close the case quickly, especially after they discover a bloody hammer under the missing girl's bed. But a woman claiming to see visions of the murdered girl insists there is more going on than meets the eye, and Joona is inclined to believe her. As he digs deeper into the case, he finds himself in dark and dangerous territory.