Associate Professor Hideo Hamura (Takumi Saito) of Eido University specializes in criminal psychology research. In addition, he uses his knowledge to help the police investigate various bizarre murder cases. Next to him is Arisugawa Arisu (Masataka Kubota), who is committed to becoming a mystery novelist. Arisugawa assists Hamura in handling the specific matters of the commission and pays great attention to Hamura's inner state. Hamura seems to have been pursuing the perfect crime. Even in his dreams, he would imagine himself as a criminal murderer. In the process of tracking down one case after another, the figure of the emerging religion Shangri-La Crusaders appears from time to time. The confusing case leads people into the dark side of human nature... This film is adapted from Arisugawa Arisu's mystery series "Writer Alice Series".