This story about 4 bestfriend Seohyun,Yoona,Kris and Luhan who was has develop different feeling for each other. I can tell Seohyun ,Yoona and Luhan are bestfriends but not with Kris. They always fight and arguing with each other. Everyday there will be an issue they wanna fight about. If not Kris start it first, then Seohyun will. Kris don't like Seohyun because she is too strict and Seohyun don't like Kris because his playboy image and cold to her. Sometimes Yoona and Luhan don't understand why they behave like that for each other. 

So, this four would just be friend as usual except for Seohyun and Kris. But, who knows Seohyun was liking Luhan silently because his caringness. But, Luhan is liking Yoona and Yoona too and they were dating silently whithout Seohyun and Kris know. And Kris? he also silently likes Yoona.

What happen when Kris know about Seohyun true feelings toward Luhan? And Seohyun, what will happen to her when she knows about Luhan and Yoona dating? Seohyun and Kris, will they stop fighting and started develop a feeling towards each other?