With her first semester as principal finally done, Starlight is ready for a well-deserved holiday break. Wanting to balance out her best-friend Trixie’s clinginess and her father…well, being her father, Starlight decides to have Trixie spend the Hearth’s Warming holidays with them. Jealousy soon erupts, however, when her father begins treating Trixie like a second daughter. By the end of the holidays, everyone will have learned an important lesson about what it means to be family.