Riley is in fifth grade and feels out of place ever since her one friend moved away. The only thing that brings her joy is drawing and her favorite comedian Joy Powers. When her class is assigned to write letters to people they admire, Riley knows exactly who to write to: Joy Powers. Everything changes when a classmate, Cate, offers to help her with her letter, and Aaron, the new kid in her class, seems to get her weird sense of humor. Riley feels like she might be finding her way until mean girl Whitney calls her a lesbian. After meeting Aaron's two dads, and realizing that she has a crush on Jo Powers, Riley starts to wonder if she could be gay and if that could frighten away her new friends.