The police in Helsingborg are struggling to maintain order in the city. Chaos reigns on the streets, and people are engulfed in fear. A brutal serial killer strikes again. He has no clear motives, only an inexplicable desire to kill. The crimes are so random that it is impossible to decipher the logic of the maniac and predict who will be his next victim. But the detectives are confident that they are close to a lead; however, Fabian Risk does not adhere to the official line of investigation. For him, it is a personal vendetta, and when a new victim appears, it becomes clear to everyone that the criminal has skillfully manipulated the detectives all this time. Inspector Risk continues to hunt for the killer, even as his own life falls apart: his son is on the run, his daughter is ill, and his colleagues are hiding dark secrets. But there is no way back. The killer sets the rules. Everything depends on the roll of the dice. The stakes are life. The game has begun, and Fabian Risk must enter it.
