Weiron Holmberg

Stig-Helmer Olsson isn't the fashionable jet-set type, but, for the first time in his life, he's going to travel abroad. He chooses a trip to the Canary Islands over Christmas. Before leaving, his doctor asks him to bring a package to a friend of his. Without Stig-Helmer knowing it, the package contains 50,000 SEK, which is illegal to bring out of the country. However, Stig-Helmer's bag with the package disappears at the airport. Dr. Levander's friend believes that Stig-Helmer has stolen the money and is anxious to get them back.

Nisse is hospitalized with severe asthma. He meets the seriously ill boy Lelle. Lelle is depressed and abandoned. He has a dream; to build a large airship and provide food for starving children in other countries.

When Vanheden and Dynamit-Harry tries to break doctor Busé out of jail, they get Herman Melvin instead. He has been working at the Swedish Mint and the doctor, who has started to think like Sickan, has written a plan for making a burglary there, on Melvin's back. However, something goes wrong. They don't get a lot of Deutsch-marks as they planned but instead, they end up on a ship going to Poland, together with bunches and bunches of Polish Zlotys (the Polish currency). In Poland, they discover that the mafia are very interested in that money and Wall-Enberg is working with the mafia.

Sickan has a new plan. This time, the gang are going to steal a small computer micro chip which contains a top secret plan of what the government intends to do with Sweden in the future. But, Wall-Enberg is also planning to steal the chip. The payment will be 55 million Swedish crowns in gold and diamonds to whoever can deliver the chip to the foreign investors. Who will grab hold of the chip, the Jönsson gang or Wall-Enberg?

Sickan, Vanheden and Rocky try to rob the Berns nightclub one night, but Vanheden has made the mistake to invite his constantly drunk cousin, the old dynamiter Dynamite-Harry and he ruins the plan. Sickan is arrested, and has to spend 10 months in a small, locked room. When he is released, he has a new plan, but Rocky and Vanheden have decided to go straight. Together with Dynamite-Harry, Sickan plans to rob a cold store, managed by their arch-enemy, Wall-Enberg.