King Johan wants to win the hearts of the people through chocolate, while Isabella tries to become a more modern queen. The relationship between Ellinor and Katja takes a new turn.

It is May 17 at the castle and Isabella's sister shows up unexpectedly. The sister's visit and the court's attempt to rule Isabella sets off a rebellion in her. Johan receives bad news that ruins his favorite day of the year.

The Royal House finds out that the Prime Minister is making plans that could bring down the entire monarchy. Johan counters by preparing the announcement of a major event.