This is the story of a girl named Im Yoona, who fall inlove deeply with her boyfriend Nichkhun. He promised everything on her, including forever. And they we're such a happy couple. Until one day Nichkhun left her without any words. Yoona had to face the reality and need to move on. She met a arrogant guy named Siwon. Siwon was handsome and well loved by girls. He