In the Bavarian village of Schladerbach, the kobold Hatschipuh and his comrades live, of whose existence only Grandpa Reiter is aware. When the building constructor Lederer builds himself a new mansion, the subterranean settlement of the kobolds gets destroyed, and Grandpa Reiter sees himself forced to move them into his barn. But this abode as well is soon threatened: Since the farm is no longer profitable, Father Reiter plans to sell it…

Ferdinand is trying to cope with the breakup with his girlfriend.

The star reporter of a Berlin lifestyle magazine announces job and apartment to go with the married advertising boss of their newspaper to Paris, where a dream career as an editor of a prestigious fashion store awaits them. But when the lover lets the pregnant woman sit, who then neither gets the job in Paris nor can return to her old editorial office, the homeless career woman suddenly finds herself in the black.

The four young snoopers Tim, Karl, Kloesschen and Gaby by chance discover a hidden cave near an old castle. In it there's a board that seems to describe the way to a legendary sword. They ask their history teacher Schindler about it. He forbids them further actions, but secretly continues investigations with help of two ruthless criminals. But our young heros don't give up on an adventure so fast...