In Perfect Blue, the J-pop idol group CHAM! reaches a turning point when Mima Kirigoe leaves the group to pursue an acting career, to the mixed feelings of her fans. Trading the controlled image of idol life for the uncertainty of a crime drama, she is soon pushed into a role that demands more than she expects and leaves her struggling to define who she is away from the stage. As pressure builds around her new career, an obsessive fan refuses to accept the change and begins to cast a darker shadow over her life. At the same time, Mima is confronted by a disturbing online presence that seems to mirror her every move, blurring the line between performance, memory, and reality. Perfect Blue steadily tightens into a psychological thriller about identity, public image, and the fear of losing control over one’s own life, while Mima is forced to confront both the demands of fame and the instability that follows her off the stage.