After the second World War, Dresden has a lot of reconstructing to do. To get the cigarette factory he once worked for running again, Kalle has to travel to Wittenberg - the only place where carbide can be found. Once there, Kalle find himself in the unfortunate situation of having to hitchhike his way back to Dresden, transporting seven heavy barrels of carbide. However, his inventiveness and optimistic attitude help transform the grueling task into an adventurous, entertaining, and funny journey.