Solstice, a young Unicorn mare who grew up in a stable must weather the storm of the wasteland and bring hope back to Whinnyapolis, a city in its death throes and stand against the foes who would see it fall.

After being activated and leaving her home bunker, Sweetie Belle (bot) must journey out into the post-apocalyptic world of Equestria in order to discover the fate of her namesake. Piecing together the past along the way.