The Mouse King is up to some very sneaky shenanigans. The night before Christmas, he steals the key to the Kingdom of Sweets and sets out to cause as much festive mayhem as he can! Clara and Fritz Strudel, and their new friend the Nutcracker, are the only ones who can stop him. But when a magical curse is put on Fritz, it's a race against time to make it to the Kingdom of Sweets and find the Sugar Plum Fairy - the only one who can break the spell! Can the adventurers stop the Mouse King's naughty plan and save Fritz, before it's too late?