The last time we met Tinka, she introduced the Collection, where representatives from the four regions of the Kingdom of the Gnomes and a single person together ruled and decided. However, the new form of government does not work as Tinka had hoped, and she has therefore begun to doubt her abilities as the leader of the elves. When Ingi puts Tinka on the trail of a family secret, she and Lasse search for answers in the human world, and here Tinka awaits a surprise that puts the entire existence of the Kingdom of the Elves at risk.

Family film 'My Sisters Kids & the Gold Diggers' sends Uncle Erik and the kids on a new adventure. This time discovering the children that their great-grandfather emigrated from Denmark and was a gold digger in Canada. Even now, many years later, they still have family over there. So when the family comes in contact with an aunt, they travel across the Atlantic to visit her. In Canada awaits them a true treasure hunt, the wild and two greedy prospectors. At the same time they are joined by Mrs. Flinth which, as always, has a crush on Uncle Erik.