Swifty, the Arctic Fox, works in the mailroom of the Arctic Blast Delivery Service but dreams of one day becoming a Top Dog. To prove himself worthy of the Top Dog role, Swifty secretly commandeers one of the sleds and delivers a mysterious package to a secret location. He stumbles upon a hidden fortress, where he comes face to face with Otto Von Walrus, a blubbery evil genius. He discovers Otto Von Walrus' plan to drill beneath Arctic surface to unleash enough ancient gas to melt the Arctic.