On an average day in Ponyville, Twilight Sparkle is rudely awakened by her purple & green dragon friend Spike, who holds an envelope which hasn't been sent out in over a thousand years. With the invitation to the Royal Masquerade host by Princess Luna, Twilight & Spike prepare with Rarity for a most special night. As the night for the Masquerade finally arrives Twilight, Spike & Rarity are faced with a life changing time, what happens on the first full Moon of this Month, will surely be something they will never forget.