A violent robbery. A hit-and-run. A brutal murder.In the stifling heat of an August morning on the beautiful Swedish island of Gotland, terror shatters the calm.An armed robbery is over in minutes, leaving a little girl on the road, hit by the getaway car. Desperate to find those responsible, the police track down one of the culprits. But he is dead, brutally murdered at a remote farm. Tattooed on his arm are three initials: his own and two others. The only clues to the identity of his friends.A...