This story is a sequel to The Legend of Spike: Legacy

Part five of "the Legend of Spike Series."

"Well, there's something here about a dragon, the kingdom falling, chaos reigning..."
~Sweetie Belle from Hearts and Hooves Day

When his mentor becomes deathly ill, Spike, along with Rarity and their daughter, go to visit him. During their visit, the ancient dragon, Aurum, tells them the full story of the first Hearts and Hooves Day and how he was a part of it.