Has it happened to you? Lee Hae Mi is a normal teenager in a normal world of 16 year olds. She goes to Seong Maekyung HighSchool and describes it as "A place where barbie dolls and rag dolls are constanly the talk of the day". With her best friend, Kim Sae Lin and Cho Machae, they brave all of the scary trials of high school. Little do to SM Highschool, three of them plus some 7 others form the dance troupe "The Step" which makes mv's of themesleves dancing to other songs and uploading them on youtube, where they receive huge responeses and even international attention because of their amazing skills. Lee Dong Hae is the schools typical popular guy, hot, y ,sma-ok, not to say smart but he is just lazy, and just a plain arrogant . With his good looks, fantastic dncing skills and charm, he makes the girls fall for him except one, Hae Mi. When all of them were in their first year in school in junior high, Dong Hae sat infront of Hae Mi, making life miserable as she wasn't the, you know, hawt y body. Hae Mi was fat, plain and , well actually just fat. He made her first year miserable for her, with his bestfriends Lee Hyuk Jae, or Eunhyuk, who is also a great dancer, and % other guys, called the Allmighty SHINee. But, what happens when all of them seperate to two different high schools and find themselves back toghether again? Espicially DongHae, who finds a long lost crush with Hae Mi. When they meet, DongHae dose not recongnize her. Why? And, Hae Mi has a secret which will dertermine something important in the furture. What? And will the two sworn enemies actually find love for each other? How?