Fear grips Copenhagen when multiple women fall victim to a depraved predator. DI Axel Steen will stop at nothing to hunt the man down. When a DNA sample links the attacks to an unsolved murder that tore his life apart four years ago, Steen's investigation threatens to send him veering off the rails once more. With his professional and personal life on the line, Steen embarks on a spiral of deadly near misses, heart-stopping breakthroughs, and a desperate bid for redemption.