Revenge.

The devil wants revenge on Kasper for his last defeat and kidnaps Gretel in a helicopter. Kasper uses all the possibilities of modern technology to find and free Gretel, but the devil always manages to shake off his pursuer. He insidiously saws through the bridge and Kasper and his Trabant plunge into deep water. The devil sees himself as the winner, but has not reckoned with Kasper's determination and the reliability of the little car. In the end, the evil kidnapper is defeated and locked in the fridge.