5 years ago after her Grandmother died Yujin left  the country and now she is coming back to Korea to continue her life and the only thing she wants is for it to be peaceful.   But her peaceful life took a turn when the Granddaughter of her Grandmother's bestfriend came asking for help. 

Hyewon was a woman who didn’t talk for years due to unknown reason. But she could listen normally which was different from a mute. She worked as a pianist at backstage for a musical cinema. Oneday, she had an argument with the performer after she helped to play the role of that performer on stage. Then she was fired and jobless. But she found another job as a piano private tutor at a mansion. Her new life as a private tutor wasn’t peaceful as she wanted. It was because of a troublemaker daugh