Piet Hoffmann is the Swedish police force's best undercover operative. Not even his family know of his double identity. Yet when a drug deal with the Polish mafia goes wrong, his secret life begins to crumble around him. DI Ewert Grens is charged with investigating the drug-related killing. Unaware of Hoffmann's true identity, he believes himself to be on the trail of a dangerous psychopath. Soon to be a major motion picture starring Rosamund Pike and Clive Owen.