The countryside around Milan is wrapped in eerie darkness as psychologist Anna Pavesi digs in the icy soil, looking for...what? Just over a week earlier, Anna had been approached with a request to investigate a fatal road accident and a missing body. Anna is no detective, but she was short of money and agreed to take on the assignment, leading her into a labyrinth of false clues and wilful deception in which nothing is at is seems. As she digs deeper, Anna realises that even her own life may be in danger...