Holger Nilsson meets the temperamental engineer Mortensen. Together they set out on a raging treasure hunt through Sweden to find the seven keys to Ma...
To solve the riddle, they hike across the Varaslätten and climb one of the country's highest silos. From the steamboat they see the fields of Västergö...
To solve the riddle, they ride a raft on Sweden's largest river and cable car over waterfalls. From Värmland, they travel by dog sled through Norrland...
To solve the riddle, they follow the Norrland coast. They drive through the breathtaking landscape of the High Coast, become shipwrecked on the island...
To solve the riddle we follow Holger and Mortensen as they wander through the great Alvaret on Öland and Visby on Gotland, they wander among narrow al...
To solve the riddle, Holger and Mortensen go to the mountains in Dalarna, where Sweden's highest waterfall, Njupeskär, is located. They also visit the...
To solve the riddle Holger and Mortensen kayak through the Stockholm archipelago. They sail with an old pilot boat and visit Sweden's westernmost isla...
In the final episode, Holger and Mortensen visit Sweden's three largest cities and their most famous buildings and places in order to finally solve th...
Holger discovers mysterious notes in an old geography book that lead him to Oslo and an enigmatic key.
Holger is finally reunited with his old friend Mortensen.
Holger and Mortensen continue their journey and meet a mysterious man in a lighthouse.
Newly found clues lead Holger and Mortensen to southern Norway. Mortensen is doubtful if he still wants to be involved. Holger realizes that they are ...
Holger and Mortensen have arrived at Borgund's stave church. There they find another part of the map with another riddle that takes them further north...
From the Finnish forests, Holger and Mortensen make their way to the North Cape. During a joke, Holger sees that they are in the wrong place.
Holger and Mortensen are on Svalbard, almost as far north as you can get. In an abandoned mining town, the pursuers catch up with them, and they are f...
While Mortensen is recovering from his injury, the old woman Sirpa decides to train Holger to become a master geographer. With Sirpa's echo and newfou...
After the Brotherhood of the Black Sun steals the map, Holger and Mortensen learn that Mary Diana is on an island. Instead of aiming to take the map, ...
Holger travels to Iceland to try to reach the place where Gjallarhornet is supposed to be before von Troppeln. Holger reaches the large and terrifying...
A young woman lost her memory after an accident. In the woman's bag is a note with Holger's address, does Holger know who she is?
Mortensen is inconsolable, but Esmé suspects that everything is not right. Together they travel on an adventure round Europe.
The search for Holger continues. Mortensen's hunt continues over the high peaks of the Alps and through verdant valleys. Esmé and Mortensen face unexp...
A new riddle leads Esmé and Mortensen on. They are now certain that Holger has left the riddles behind but why?
Esme and Mortensen continue to the UK but feel empty and don't know where to look, but they meet a person who can help.
A terrible enemy chases Mortensen and Esmé, who flee for their lives to the south. When everything seems to be working out, the situation changes dram...
Esmé need to quickly find out more information about herself, who is she? And time is short. The order of the Black Sun has everything they need to ca...
The friends must save Holger and the hourglass from The order of the Black Sun, but how?
Mortensen has stolen Holger's identity for the geographer's great desert conference in Windhoek, Namibia.
Flora and Mortensen meet an American geographer who gives them a dangerous mission.
Mortensen and Flora make their way to the coast of Mozambique with the mission of finding the mysterious treasure.
Flora and Mortensen look for Geografi Graaf's assistant Ravi.
Flora and Mortensen are welcomed by Ravi. They hope to get answers to any questions they have about the mystery.
Flora and Mortensen head to Australia and the remote island of Tasmania's temperate forests and rivers in search of the secret cave.
Flora and Mortensen get a ride out to sea with a lobster fisherman off Tasmania.
The black sun follows Flora and Mortensen and it becomes a wild chase through the coniferous forest and into a wild rapids below the Rocky Mountains.
Flora, Mortensen, and Esmé head south to find the Black Sun's headquarters.
Flora does everything she can to save her friends and defeat the powerful Brotherhood of the Black Sun.
