Years after Princess Twilight's coronation, A misty manifestation Nightmare Moon returned to once again attempt to shroud Equestria in darkness. To do this, she possesses a weakened Princess Luna to resume her dark designs.

Shining Armor tells the story of how this tragedy transpired and how it came to an end when a young stallion with a noble heart and mind was recruited in the Equestrian Royal Guard. This is a story of sadness. Of betrayal. And even DEATH!