Go Hea-Jung is a heavy overweight girl who everyone makes fun of at school.Eventhough she is not the prettest girl on campus, she is smart,nice,and clever.

One day she bumps into the school's most handsome and smartest guy,Yoo Dae-Ho on the campus.After a couple of incidents,she falls inlove with him.He doesn't know at first but he slowly starts to accept her for who she is.As their relationship starts to grow,their are people who don't want the two odd couple to be happy just yet.They both go through a lot of obstacles and finally as they were almost done,Hea-Jung decides that they need to stop their relatioship.What will happen to them?Will Dae-Ho allow it?