Nine-year-old Mari is really looking forward to Christmas. Her journalist dad, Svein, on the other hand, loves his job so much, he barely notices the festive season. One night, Mari’s Christmas list vanishes – and in its place lies a mysterious mitten. The mitten sends Mari, Svein and her adventurous grandma on an exciting quest to find Santa Claus. Meanwhile, Stubby the Wishlist Elf is in a panic — he’s lost his mitten, which might just lead this curious family straight to the secret location of Santa’s workshop! He must stop them before it’s too late!