Part four of "the Legend of Spike Series."
It has been twenty years since Spike married Rarity and Equestria is on the brink of war. While Equestria prepares to defend itself, Spike falls into another growth spurt induced sleep. As he slumbers, the children of the Mane Six are threatened by an old foe.
After having his heart broken, Spike finds himself in a parrallel world and in a race against time.
Spike, the Mane Six, and the Cutie Mark Crusaders must band together and save Ponyville when an ancient evil awakens.
Fleeing Equestria for a crime he didn't commit, Spike finds himself on a magical island filled with dinosaurs. It is up to him to save the island before it is completely destroyed.
Twenty years after the marriage of Spike and Rarity, Equestria is threatened by an old enemy.
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.