When you have no parents, an abusive ex-boyfriend, and brothers who barely acknowledge your existence, the one thing you can have is a best friend. But in Jessie's case, her best friend is gone for the summer. So her summer going into her final year of high school, the only thing Jessie can think about is healing from all the events that have crushed her. No one will take her best friends place, she's on her own for the summer. But when your older brothers drag you to hang out with their friends, and meet internet famous Nash Grier, Cameron Dallas, and Hayes Grier. Will she decide to let them in, and does it change her?