Santa's daughter finds herself having to take over the family business.
Anna, Elsa, Kristoff, Olaf and Sven leave Arendelle to travel to an ancient, autumn-bound forest of an enchanted land. They set out to find the origin of Elsa's powers in order to save their kingdom.
When Jesper distinguishes himself as the postal academy's worst student, he is stationed on a frozen island above the Arctic Circle, where the feuding locals hardly exchange words let alone letters. Jesper is about to give up when he finds an ally in local teacher Alva, and discovers Klaus, a mysterious carpenter who lives alone in a cabin full of handmade toys. These unlikely friendships return laughter to Smeerensburg, forging a new legacy of generous neighbors, magical lore and stockings hung by the chimney with care.
Swifty the Arctic Fox works in the mailroom of the Arctic Blast Delivery Service but dreams of one day becoming a Top Dog (the Arctic's star husky courier). 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, who walks around on mechanical legs and commands a loyal army of oddly polite puffin henchmen. Swifty soon discovers Otto Von Walrus' plan to drill beneath Arctic surface to unleash enough ancient gas to melt the Arctic, in order to reign as the world's supreme leader. Now, Swifty has to enlist the help of his friends: PB, an introverted polar bear, Lemmy, a scatterbrained albatross, Sal and Weez, two conspiracy theorist otters and Jade Fox, a tough as nails mechanic. This ragtag group of Arctic misfits has to band together to stop Otto Von Walrus' sinister plans and save the day.
Two years have passed since Steven Universe resolved the ongoing conflict between Earth and the Diamonds and brought peace to the galaxy, seemingly allowing Steven and the Crystal Gems to live happily ever after. However, Steven's past comes back to haunt him in the shape of a mysterious Gem hellbent on destroying him and everything he holds dear, including the Earth itself. Steven must now face the consequences of Pink Diamond's actions, save the Earth and, once again, go on a path of self discovery and change to truly earn his happily ever after.