The arrival of Caitlin's (Jordan Kristine Seamon) period accelerates her secret desire to experiment with her gender expression - and to flirt with girls, test boundaries with her boyfriend Sam (Ben Taylor), and spar with her father Richard (Scott Mescudi). As she and her brother Danny (Spence Moore II) continue to clash with their mother Jenny (Faith Alabi), Caitlin's relationships with her both her dad and Danny's best friend Craig (Corey Knight) deepen. Later, Fraser (Jack Dylan Grazer) discovers Caitlin's secret, which forever changes the nature of their relationship.