Not long ago, John Mayle was placed in a psychiatric clinic and underwent a course of compulsory treatment there. He managed to escape and hide in the vicinity of Minneapolis under an assumed name. But his sick mind and thirst for revenge did not give John peace. And then, an avid fan of role-playing games, he decided to start his own game - as realistic as possible. After kidnapping his former psychiatrist and her two daughters, he locked them in a rural house and openly challenged the famous detective Lucas Davenport, who began to investigate the case. In addition to his police service, Lucas was widely known as a creator of role-playing games. And Mail forced him into a competition in which the stakes were the lives of three women. The madman believes that he will win, because it is he who builds the scenario of the game. But Davenport knows well: the game is determined by whoever sets its rules...