The First Tooth Baby Ponies are put in charge of the Newborn Twines: Sniffles & Snookums and Milkweed & Tumbleweed. The unruly twins are temporarily subdued with the promise of ice cream, but the First Tooth Baby Ponies must first reunite feuding ice cream makers Rocky Ripple and Fudgy McSwain, who have cut off Ponyland's ice cream supply.