""'The Sandman'... in my opinion, is undoubtedly the best of the bunch so far." "
During a cold winter night in Stockholm a young man is found walking alongside a railway bridge. The hospital declares he is suffering from hypothermia and legionella. They also discover a death certificate stating the man has been dead for over seven years.
Mikael knows him as 'The Sandman'. Thirteen years ago, he was taken from his bed along with his sister, victims of Jurek Walter, Sweden's most prolific serial killer. Walter is currently serving a life sentence, kept in solitary confinement, and still considered extremely dangerous by psychiatric staff.
Following Mikael's discovery, the hunt is on to find his sister, and to get to the truth Detective Inspector Joona Linna will need to get closer than ever to the man who stripped him of his family. The man who wants Linna dead.