身處於AI掌控的世界裡，失去實體聽眾的鋼琴師，想靠著音樂尋找知音。而他唯一的聽眾卻是被數據餵養長大，未曾與真實人類接觸過的生化少女。在虛擬訊號中，他們能否憑藉音樂，辨識彼此真實的感情，擺脫孤寂的命運？

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?