Mia Walters is optimistic that her final high school year will be different. Tired of watching the cool girls from afar, she is sick of being the stereotypical loser.

When a new girl, Chelsea Saint, arrives at school with her sassy and confident persona, she offers Mia the very thing she wanted: the chance to be one of the cool girls. Soon, alcohol, boys, sex and drugs tear Mia in two. Caught between the good girl she used to be and the illusion of the person she wanted to be, Mia begins to lose herself in the new world Chelsea has introduced her to.

Is it too late for her to be the girl she was before?