Melissa Kellogg returns from Guatemala to find her world turned upside down. Her senior year was supposed to be fun. High school will not end the way she had expected. The new girl in school gives a whole new meaning to the term "mean girl", Melissa's boyfriend is now dating the "mean girl", Melissa's friends are super busy with their own lives and Melissa just met the super cute new soccer player. Things are going to get interesting for Melissa and her friends as they near the end of high school to face their futures and adulthood.