A trainee named Noel White at Santa Company is preparing for her certification exam to become a Tonttu. The challenge given to her is to identify the most significant item for Santa Claus. However, Noel is struggling to come up with an answer as the deadline approaches. At that critical moment, a child's letter arrives at the company, but it's already too late. The letter is about to be discarded, but Noel and her friends set out on an adventure to find the perfect gift. Will they succeed? This story occurs one year following the incidents depicted in the book.