Both Spike and Sweetie Belle became vampires, now they must feed until Twilight can find a way to cure them. However, there is a deadline. If they aren't cured in three months, they will stay vampires forever.

Spike, and, Pinkie Pie get in an argument over cupcakes of all things, will everything turn out okay?

While Twilight is away at a sleepover at Rarity's boutique, Sweetie Belle spends the night with Spike at the library. Spike plans to use this to his advantage, and finally tell Sweetie Belle that he loves her.