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.

When Ludvig Ekman is ordered to do his military rehearsals course, he sends one of his employees, Lasse Alm, to do it for him. Everything is fine until Alm also is ordered to do the same thing - on the same boat! There is only one thing to do: Ekman goes as Alm. When Ekman goes aboard, he discovers that it is his wife's ex-husband who is captain and Ekman really is punished for marrying his wife.

A bomb attempt is prevented in the last minute but one question remains: who placed the bomb? After some stakeout work the police are on the track and a wild hunt through Stockholm begins.

At Forsbyholm's boarding school, the problem-maker Rutger Von Hake reads. In order for the school to receive government funding, a new teacher comes to the school to solve the problem.

The hunt for a precious porcelain tableware leads to the Möllegården estate, where ghosts are said to live.

Naima Wifstrand, leading old lady, dressed as a Primadonna presents the variety revue "The Old, Happy 40's", a dark time of angst, depression and derailed, wild happiness. Those were the days. Music, dance, songs and hillarious sketches follow.

They are currently developing a new type of mine at Fredrik's workplace. The head of the company is a young woman, Eva Seman.

Pelle and Maja are going on a holiday to Italy. The trip is canceled. Maja travels home to her mother. Pelle is persuaded by his friend Kurt to forget Italy and accompany him to Swedish west coast instead.

Two broke actors are employed as private detectives to protect the young woman Ewa, who is on her way to Paris to sell a valuable piece of jewellery.

A film mostly consisting of scenes from older films. A sleep researcher has produced a serum with very fast effect.