Comic artist Brösel trades a magic pen that helps him come up with funny stories for the promise to fulfill one of Rumpelstiltskin's wishes. The resulting animated films show episodes of the life of Werner, a plumber apprentice and motorbike enthusiast and his friends. They are interspersed with the live-action portions.

Because of a bet, Werner and his friend have to construct the fastest vehicle to win a race, because life depends on it.

A wicked investor wants Werner's residential area razed to the ground in order to build a shopping center. However, building tycoon Günzelsen has not reckoned with Werner. Together with his master Röhrich he's planning to blow away the plumbings with a gigantic obstruction...