The Mane Six celebrate in harmony of Hearth's Warming Eve, in The Golden Oaks Library. As they decorate the tree, bake cookies, and lounge around the fireplace, they relax.
The land of Eqestria is in chaos. The griffons have attacked and now attacks are aregular occerance. What they ponies of Ponyville and Canterlot don't expect is help from mysterious objects that appear out of nowhere.