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This product uses TMDB and the TMDB APIs but is not endorsed, certified, or otherwise approved by TMDB.
Holger Nilsson meets the temperamental engineer Mortensen. Together they set out on a raging treasure hunt through Sweden to find the seven keys to Mary Diana Graaf's mythical laboratory.
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 Västergötland. They fly over Skåne, wander through beech forests and over miles of white beaches.
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 Norrlands and endless pine heaths where the taiga is preserved and the great forest is untouched.
To solve the riddle, they follow the Norrland coast. They drive through the breathtaking landscape of the High Coast, become shipwrecked on the island of Högbonden and climb high up to Slåttdalsskrevan.
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 alleys and see ruins from the Middle Ages.
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 mine in Kiruna and hike the Kungsleden down towards Sarek and Rapadalen.
To solve the riddle Holger and Mortensen kayak through the Stockholm archipelago. They sail with an old pilot boat and visit Sweden's westernmost islands, the Väder Islands.
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 the riddle.
