Lin Xiaoman, a energetic girl from the piano department, and Gu Chenzhou, a genius from the conducting department, became friends because of a bet in the piano room, but they separated due to a misunderstanding during the graduation season. When they reunited seven years later, he became the music director of the entertainment company, but she was the piano stand-in on the set. When the out-of-tune antique piano sounded again, the absolute sense of sound and acquired hard work resonated in the heartbeat of 152 beats, composing a sweet movement that spanned ten years.
