Seventeen-year-old plus-size Cassie feels invisible. In the summer before her senior year she finds a book in a used bookstore on how to become famous in ten days. Using the "rules" in the book as a guide she devises a plan to have her best friend, Rachel pretend to be her on camera while Cassie sings and Rachel lip syncs. Rachel's gay brother, a film student and his boyfriend agree to help make Cassie famous by posting the videos online. Cassie agrees to make a vlog about her journey with the idea only Rachel's brother will see it. Plans go awry with hilarious and sometimes almost disastrous consequences in Cassie's quest to become famous.