Luna, observing the ponies of Canterlot celebrating a holiday born from the traditions of Mexicolt, Luna decides to take part in the celebration and join her ponies in their holiday of remembering their loved ones. Together with her friends, the Guard Commander Amber Dawn, and the energetic foal Quick Gust, Luna goes forth and partakes in the celebration.

Before long, memories of ponies Luna held most dear surface, to be shared with her little ponies.