On the last week of high school, Ethan and Alex pretend to be trans women in order to stop rumors that they are gay and get Alex closer to his crush, Sasha. After putting on a dress, Ethan realizes she really is trans and comes out to Alex at the Girl’s slumber party. Later, Alex accidentally admits he was lying and the Girls turn against Ethan and Alex. When Ethan returns home her mom, Mary, struggles to accept her identity. The next day, the Boys, inspired by Alex & Ethan, pose as trans women to get into the girls' locker room. Alex, Ethan, and the Girls successfully fight them off. Ethan is still hurt. Alex convinces Mary to support Ethan at graduation, and restores their friendship.