This 3 episodes drama special tells the stories about three youth, while the main motif of the drama is piano. A genius pianist and an athlete, who is bold, brave and fearless yet short-tempered, get to live a different life completely opposite to each one’s previous regular daily life, after the two got into an unexpected accident. Yoon Yoo Seul (Kim So Hyun) is a student of an art high school. She is a talented pianist and who won various contests, but she is driven by her mother. Yoo Seul’s mother wanted to become a pianist when she was younger. One day, Yoo Seul has an accident and she may never play the piano again because of the accident. With the help of her friend Cha Sik (Ji Soo) and Yoo Seul’s rival Jin Mok (Shin Jae Ha), Yoo Seul begins to live a new life.