Late on Nightmare Night, after the rest of Ponyville has gone to bed, Pinkie Pie descends into the dark and silent basement of Carousel Boutique. Didn't anypony tell her it's not safe to venture out alone at night?
Pinkie Pie has had a crush on Rarity for many months. After discovering Rarity feels the same way, she finds herself tagging along on a business trip to Manehattan.