The Peppercorns

Vivi is excited: her school newspaper is publishing its first report on a Pfefferkorn case. What's more, Vivi has borrowed Cola from Uli “on trial”. She promises on her honor to take good care of the dog. But Cola picks up the scent of sausages and escapes. Vivi searches for Cola desperately and ends up in the underground canal system. She doesn't know that a bomb is being defused in this very area. The O-verbecks, Uli and the Pfefferkörners are very worried and go off in search of her...