During the Finnish war (1808-09) a bandit Jeppe Antinpoika robs a treasure belonging to the King of Sweden. A bag of gems is hidden behind the stove and left there for two hundred years. A city girl Aurora comes to visit her country relative, the original Mr Hayhill. His neighbour, the baker Kakelberg is not doing so good – his house seems to be haunted and his baking business has been sabotaged. One evening Aurora runs into a mysterious sneaker in the baker´s cellar. Aurora and Mr Hayhill start solving the mystery of the baker’s house.