Janne 'Loffe' Carlsson

To get an order for 1,000 yachts from a middle-east sheik, two boat companies have to race 'Göta kanal', a canal through Sweden, east to west. There are no rules in this game and the winner gets the order.

Jonsson is called back for refresher training. He meets Lövgren, Larsson and others who aren't very serious but instead, see it as an opportunity to have fun for a month away from work.

A bored young boy, neglected by his family, suddenly finds adventure when he's visited by Karlsson, a peculiar, mischievous man who can fly with the help of a propeller on his back.