Yoo-Seul 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. Yoo-Seul may never play the again because of the accident. With the help of her friend Cha-Sik and Yoo-Seul's rival Jin-Mok, Yoo-Seul begins to live a new life.

• Kim So-hyun
• Kim Ji-soo
• Shin Jae-ha
• Ye Ji-won
• Hwang Young-hee
• Kang Han-saem
• Yoo Yeon-mi
• Im Ho