When young Nikolas is orphaned, he is adopted by each house in his village for a year. After he leaves the house, he gives them a Christmas gift and continues the tradition even after he grows up.

A young boy becomes a crime-fighting superhero with the help of a mysterious pharmacist's invisibility powder.

In the depths of the Korvatunturi mountains, 486 meters deep, lies the closest ever guarded secret of Christmas. The time has come to dig it up. This Christmas everyone will believe in Santa Claus.

The series is about the poor and tubercular girl Stina who is sent to the Hallonbacken sanatorium to recover. But once out there, she stumbles upon the sanatorium's secrets.