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.