The gnomes Pinkeltje and Pinkelotje are visiting Dick Laan, the writer of the books about them. In a meanwhile, two assistents of professor Ludwig von Cleve found where the other Pinkels live and kidnapped some important Pinkels. Professor Ludwig von Cleve puts them in a doll house to expreiment on them. Dick Laan, Pinkeltje and Pinkelotje made up a tricky plan to rescue the captured Pinkels.

While the residents of Runichem are busy preparing for the approaching centenary, an art theft takes place in a villa. The same evening, an officer is shot at an alcohol check. When Wilbur tries to call home from the community center that night, the phone interferes and he hears a fragment of a conversation related to criminal activities. Wilbur and his friend Aristides decide to investigate this mysterious case, with the help of Akkie, daughter of inspector Swaan, and grandfather Quarles. This film is based on the second season of the Dutch tv series 'Q & Q'.