Vinyl gets bitten by a vampire. After almost killing her roommate, she seeks out to find a cure for her curse. But she can't do it alone. She brings with her the loyal, fearless mare, Rainbow Dash and the wise zebra, Zecora.

Lightning Blitz (Rainbow Dash's dad) had an affair with FireLilly (Spitfire's mom) three months after Rainbow Dash's birth. FireLilly got pregnant with a little colt named FriendlyFire. FriendlyFire finds out that Rainbow Dash and FriendlyFire are family. He goes to PonyVille to reveille Rainbow Dash's long-lost brother.