In this dark and gripping novel from #1 best-selling Swedish writing duo Roslund & Hellström, Piet Hoffman is the Swedish police’s most valuable secret operative. His cover is that of a lieutenant inside the ruthless Polish mafia trying to take over amphetamine distribution within Sweden’s prison system. With this, his most dangerous assignment, success will mean a new identity and the freedom to start a new life with his wife and young sons. When a botched drug deal involving Hoffman results in the cold-blooded killing of a police informant, the investigation, assigned to the brilliant but haunted Detective Inspector Ewert Grens, leads to a string of unsolved cases in which key evidence has been withheld under mysterious circumstances.