Christmas is approaching in the small kingdom in the north and the people are happy about a generous Christmas present that Queen Lovisa has promised. But not everyone in the castle is as happy and when the queen suddenly disappears, the spoiled crown prince Carl Vilhelm is forced to flee for his life.

The crown prince realizes that he has to change both his clothes and his name in order to get by in the city. Meanwhile, someone hatches a new sneaky plan to get him.

Ville meets Amir and learns that he is wanted. After becoming an involuntary hero in the market, he ends up at the home of the poor girl Hilda.

Ville is busy pretending to be a poor orphanage boy, but Hilda becomes more and more suspicious. Duchess Augustina appoints the lady-in-waiting as her new "friend".

The fool Amir appeals to the National Judge to exonerate the crown prince, while both the masked man and Hilda get closer to the truth about who Ville really is.

Wanted to be forced to tell Hilda everything but she also has a secret. At the castle, Duchess Augustina hears about General Leijongap's claim to the throne.

Ville gets to go to Hilda's school to learn how to behave like ordinary people. Amir agonizes over the impossible choice he is faced with.

Amir has a plan to trick the masked man and a potato accident in the kitchen has unexpected consequences for Ville. But what is hiding under the castle?

Ville worries about his mother but Amir thinks he's got a lead! At the palace, the National Judge brings a shocking message to the General and the Duchess.

Ville has a plan for Hilda to find his mother. But first she has to learn how to behave in a castle. Amir finds out who gave false testimony.

Augustina and Leijongap compete to win the people's love. At the same time, Hilda is both hunted and lost up in the big castle.

Augustina and Leijongap's visit to Nanni's tavern puts Ville in great danger. At the castle, Hilda and Amir make a discovery that will change everything.

Augustina worries that she is about to lose the election to Leijongap. Hilda and Amir forge a new plan to find out the truth about who is behind it all.

Hilda and Amir find out who is hiding behind the mask. At the same time, Ville picks up a new trail after his mother. Could a mysterious island be the solution?

Nanni confronts the children with all their lies and Hilda has a hard time forgiving Ville's betrayal. At the same time, the children realize that they are not safe anywhere.

Hilda and Ville set course for the dreaded Skull Island. At the castle, the votes will be counted. But will Leijongap's diary end up in the right hands?

On Skull Island, the children try to free Lovisa and Amir before the Man with the Mask discovers them. Meanwhile, the National Judge is about to reveal who won the election.

Lovisa and the others realise who was behind it all. Nanni gets the shock of her life when she finds out that little Ville is the Crown Prince himself.

The lie that Lovisa stole the Christmas money means that she and Ville are now being hunted from all sides. At the market, Torsten discovers something that could ruin everything.

Torsten's betrayal has major consequences for everyone hiding in the pub. Nanni finds out about Hilda's secret dream of following in her father's footsteps.

Augustine's coronation is fast approaching and Lovisa realises she must flee the kingdom. But Ville and Hilda have a new plan and get help from a very unexpected source.

The plan to stop the coronation is put into action but proves not to be as simple as hoped. Ville and Hilda are not pleased when they find out what their mission is.

Once upon a time, there was a small kingdom in the north where a few brave heroes had long fought against dark forces. The question is, do all fairy tales really have a happy ending?