Hyoni(Yoona SNSD), a shy and lonely girl kept her feelings for Joon(Joon MBLAQ), the most handsome and cocky boy in school but Joon never realize. However, Jung Su(Minwoo Boyfriend) who is Joon's best friend likes Hyoni which cause jealousy to Ae Cha(Sunny SNSD) who likes Jung Su. This had caused Ae Cha to always bully Hyoni. Luckily, Eun Hee(Taeyeon SNSD) who is Hyoni's BFF always helps her but only to get close to Kwang Ho(Yoseob BEAST), Hyoni's good friend who she had crush on. Kwang Ho however likes Ae Cha. A strange love problem that only they can solved. What will happen???