The two worlds of Equestria and Wagstaff City have intertwined and now they're all in a wasteland and seperated from others. Will they be able to get home?
Twilight Sparkle and her friends are about to celebrate their first Hearth's Warming since the defeat of the Storm King, but not knowing that their new friends have never heard of this holiday and decide to bring the holiday to them.
The story revolves around two dogs from another world who travel to Equestria from a villains who plans to use them for his army. It's up to the Mane 6 and their friends to bring them back home before it's too late.