It tells the story of Mia, a high school girl who is known to be a delinquent and has a gang that likes to cause trouble. She lives with her older brother. When her brother finds out about Mia's behavior with her gang, he locks Mia up at home and gives Mia a tutor named Robin. When Mia tries to make Robin uncomfortable, she ends up liking Robin. But the relationship is opposed by Mia's older brother.