They said music represent what you think or what you feel -dikutip dari Prelude. 

The death of Lee Taemin is sad tragedy in Kim Sooyan‘s adoptive family. But, life must goes on and brings her to meet CEO Kim Kibum. Befriend him, she’ll learn his tragic back story about his sister and Taemin.

Prolog, Chapter 1, 2, 3, 4, 5, 6,