Everyone in Ponyville is outside enjoying the beautiful snowy weather, all except for Twilight who remains inside the library, shutting herself out from the festive fun because of a sad day from a past Hearth's Warming Day. It isn't until her friend from Trottingham called Charlie visits that she finally lets it out: because of the terrible day she found out the truth of Santa Hooves. But Charlie talks with her about why the Santa Hooves lie is not only a good thing but actually an important thing…