Thorax is called to the Pie Rock Farm during Hearth's Warming - either somepony's been replaced or something really weird is going on. A Jinglemas Present for Trick Question.
Rainbow Dash sets about the most important of her teaching duties; decorating a copse of truculent trees for Hearth's Warming. Just as well she's got a new teaching assistant, Sweetie Belle, to delegate to.
Tempest Fizzlepop Shadow is an old mare who loves only one thing in life: Money. However, she hates a lot of things; one of them being hearth warming's. She is cruel to her employee Sunset Shimmer; however, three spirits decides to change her mind.
Understanding the mysteries of the universe has always interested both Twilight Sparkles. However, only one of them will get the chance to do so while chatting amicably with a creature that brought Equestria to its knees. For Jinglemas 2019.
Trixie needs some help, and Lyra Heartstrings is happy to provide. Yet is it truly safe for a stage magician to team up with a pony obsessed with mysteries?
Defeated, humiliated, blasted to pieces, and reduced to merely a shadow. But Sombra survived. And he'll come back. He just needs to convince Flurry Heart to help him. If he can survive the holidays, that is.