When Pinkie Pie says that she still thinks that Santa Claus is Real, Rainbow Dash laughs at her and says that there is no Santa. Sunset Shimmer is having a Troublesome Time after that, with one side knowing that there must be a Magical beeing in this World, while to other Side saing the exact diferend. But when she hears a Steam Whistle, she will go on a Ride she will never forget.