Happiest Season is a coming out story following young couple Harper and Abby. Abby has an open hatred for Christmas due to losing her parents around the holidays, but Harper wants to shift Abby's perspective. After dating for almost a year, Harper convinces Abby to travel home with her to meet her family. However, Harper reveals that she never actually told her family about Abby, and is still in the closet. Convincing Abby to keep their relationship a secret for just a little while longer, the pair must make it through the visit without letting the cat out of the bag.