To secure an order for 1 000 cruise ships from an Arab prince, two companies have to compete by racing each other by canal from Stockholm to Gothenburg. A small family owned company on the brink of bankruptcy is pitted against their major competitor and they both have to resort to dirty tricks in order to reach the goal line first. Plot by Mattias Thuresson.

Svante is a young boy who lives with his family in a Stockholm apartment. One day he meets Karlsson, a chubby little man in the prime of his life, who can fly using a propeller on his back and who lives in his little house on the roof.