GO HANA(Park Shin Hye),a girl who is very cheerful and talkative. She has a good friend who is always by her side, Byun Baekhyun. Baekhyun is her close friends since childhood. One day, two new students entering their school. YongJinHye(Kim Ji Won), a friend from childhood eventually reappears. Park Chanyeol also a new student and he had no friends there. Hana and Baekhyun become Chanyeol friends. Baekhyun has long had feelings for Hana, when Hana told him that she liked Chanyeol, he was deeply hurt. Chanyeol also like JinHye. JinHye had a grudge against Hana. JinHye does a variety of ways to hurt HaNa but failed because Baekhyun always with Hana. What will happen to the friendship between Baekhyun and Hana ?? Will Jinhye and Hana would remain an enemy forever? Whether Chanyeol still like JinHye after what happened to Hana ?? Read on to know all that. Main Cast: Park Shin Hye as Go HaNa. Kim Ji Won as Yong Jin Hye Byun Baekhyun Park Chanyeol Do KyungSoo Kim JongDae LuHan