Nichkhun has two best friends. There is Yoona who is sweet and innocent and fun to be with. Then there's Yuri , he could laugh with her and share secrets with also.  Nichkhun also has a secret. He thinks he might be crushing on one of his friends. He doesn't know how to feel or react. Yuri has a secret also but she doesn't know if she should reveal it for the sake of her best friends. Yoona on the other hand meets a new student who she is unsure to feel about when an obstacle comes along in her life. The lives of the three best friends will have struggles and complication with the simple word : LOVE.