Holger Nilsson is forced on a raging treasure hunt to find the seven keys to his world-famous relative Mary Diana Graaf's mythical laboratory. To help him, he has the inventor Mortensen and Mary Diana's GPS computer with pre-recorded riddles and clues written in verse. But what kind of mysterious and malevolent figure lurks in the background?

Geografens Testamente explores the mysterious geography of Sweden, The Nordics and Europe with clues into a deep, thrilling and exciting adventure, that you will never forget.