It was supposed to be a quick visit between friends. Big MacIntosh summoned to the Pie Family Farm to care for Marble Pie until her family comes home. But for reasons unexplained, a terrible snowstorm hits the farm and engulfs the two ponies buried under a blanket of white. With no pony else but each other, it is up to them to help each other as they try to break against the barrier and bask into the light.