Catherine is a smart cool teenage girl. Everyone call her nerd in school, but everyone doesn't know who she truely is, especially her best friends. She a dancer, she got moves that everyone can't beat. One day, she meet a bad boy in her school. Who always disturb her and follows her everywhere. She felt annoyed and so she challenge him a break dance. How about the bad boy? did he agree? Once he agreed the challenge, who's going to win? What's going to happen next?