Piano Lesson: A pianist, who has already lost his real audience, is searching for his fans via performing music in a world controlled by Artificial Intelligence. However, his only audience is a deaf and dumb cyborg girl, who is raised by data and has no actual experience with real humans. Can they identify each other’s feeling by the signals of music? As AI rises, how can the last generation of Homo sapiens and posthuman face their fate of desolation?