The Helsingborg police are having a hard time maintaining order in the city. There is chaos on the streets, people are in fear. A brutal serial killer strikes again. He has no obvious motives, only an inexplicable desire to kill. The crimes are so random that it is impossible to calculate the logic of the maniac and predict who will be his next victim. But detectives are confident that they are almost on the trail, but Fabian Risk is not following the official line of investigation. For him, this is a personal vendetta, and when a new victim appears, it becomes clear to everyone that all this time the criminal has skillfully manipulated the detectives. Inspector Risk continues to hunt for the killer, although his own life is crumbling: his son is on the run, his daughter is sick, his colleagues are hiding their dark secrets . But there is no turning back now. The killer makes the rules. It all depends on the roll of the dice. The bet is life. The game has begun, and Fabian Risk is forced to enter it.