Pol and Jessie are the new reporters at De Ravenburgse Post. They can choose their first assignment themselves. They decide to find out the secret of Postbus X, a mysterious benefactor organization.
Pol and Jessie want to find out the secret of PBX. The black widow, who they thought is the mastermind behind the organization, turns out to be working for the white avenger. Our newbie reporters are determined to expose the white avenger
A gang of dudes terrorizes the square at Ravenburg station. A concerned local resident writes to Postbus X, and they decide to make a report about night noise.
Max Nepomucenos is a suspected organizer of fake playback shows. His profitable business lasts until Hiks decides to use Postbus X thwart him. Let the show begin.
Nancy, the daughter of editor-in-chief Willem Depachter of De Ravenburgse Post, has won an expensive sports car with a gambling game. However, she has to share the car with her former boss. He knows how to steal his share in a cunning way.
In an attempt to fathom the secret of PBX, Haantjes ends up in prison. When Pol and Jessie go to the police station to get him released, they see Mr. Kint, a neat old man who was arrested for robbing a jewelry store.
