Meet Lee Ji-Eun (IU), a 300 pound girl who was voted the 'ugliest girl' at Korea High; a school for the rich. Sick of all the bullies, mostly Choi Min Ho, she decided to change.

Eight months later she's back, better than ever, and ready for revenge.

Throw in a teasing jock, a jealous cheerleader, a goth best friend, a childhood best friend, a hot trainer , and an overprotective brother. what do you get? Craziness!

And what's this about a forgotten past?