In-Suh, Yeon-Ho, and Da-El, were always together during their school days. In-Suh, who injured his hand in an accident, gives up his dream of becoming a pianist and goes into hiding, but Yeon-Ho suddenly appears in front of In-suh. In-Suh pushes Yeon-Ho away because he is compared to him, but somehow he continues to be swayed by Yeon-Ho
"I've hated you since high school, if it weren't for Da-El..."
"Kim Da-El, who you were desperate for, is getting married to another woman."
In-Suh suddenly hears the news of Da-El, whom he liked, is getting married. And...