An engineer with a factory is on the brink of ruin. A greedy director offers to buy his mill. Instead, the engineer opens a hotel. With little success. A rumor has that Greta Garbo is expected at the hotel.
Privates 91 and 87 are ordered to carry a tube of explosive chemicals to a military depot, while prize fighter Ingemar Johansson tries to teach them how to throw a punch.
Lund is home to Qvillander and Schorn. There is also a gentleman who lives entirely in the world of books, Professor Möbius. The latter is dominated by his aunt, Miss Lundén, who manages the finances of the house.
Torsten and Sven are in love with Inger, who prefers Sven. Due to jealousy, Torsten destroys the radio system aboard the fishing boat as Sven will release the following morning. During the fishing season it blows up, but as the radio is not working, the crew does not know anything about the danger.
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.
Karin Larsson and Douglas Hallencreutz has a somewhat peculiar relationship. They meet every Wednesday at Douglas. Karin is Douglas "Wednesday's friend." Otherwise, they live completely separate lives. This Wednesday they wake up together. Karin showers and leave Douglas fancy apartment at...