The girl named Tiffany Hwang, is a simple and friendly girl. Two boys fall in love with her since she was a 2nd year college. That 2 boys are Choi Siwon and Xi Luhan. Luhan and Siwon are best friends. She chooses Siwon as her boyfriend. When Luhan found out that Tiffany and Siwon are in a relationship, he starts ignoring Siwon and told Siwon to end their friendship and Siwon is his rival. Luhan will do everything to make Tiffany loves him. But Tiffany loves Luhan only as a friend. But soon, Tiffany realizes her feelings for Luhan. Luhan and Siwon are fighting for Tiffany's love.