Baron Conrad Crusenhielm is hit in the head during a drunken brawl. Suffering from amnesia, he is mistaken for the lost sailor Karlsson and taken to the navy vessel Fylgia.
Office worker Napoleon Larsson is an unnoticed existence. One day when he arrives late for work, he gets fired, but through his wife's actions he gets alerted by the boss and advances within the company.
It's the last night of 1899. In Helsingfors they celebrate the new millennium. The students at the university are dancing and among them is Helge Ulfstjerna.
The young sawmill owner Anders Person has won the lottery and goes on pleasure trip to Stockholm with his wife Julia. They are met by aunt Julia and makes plan for a night on the town.
The chamberlain Carl Johan Stjärna is a poor aristocrat who has to resort to borrowing money from his manservant Frans to afford champagne and restaurant visits. Frans has told his fiance Irene that he is an aristocrat which leads to some complications, not least because Irene has told Frans she...