Overview: Holger makes contact with his young relative Flora Graaf.
Overview: Mortensen has stolen Holger's identity for the geographer's great desert conference in Windhoek, Namibia.
Overview: Flora and Mortensen meet an American geographer who gives them a dangerous mission.
Overview: Mortensen and Flora make their way to the coast of Mozambique with the mission of finding the mysterious treasure.
Overview: Flora and Mortensen look for Geografi Graaf's assistant Ravi.
Overview: Flora and Mortensen are welcomed by Ravi. They hope to get answers to any questions they have about the mystery.
Overview: Flora and Mortensen head to Australia and the remote island of Tasmania's temperate forests and rivers in search of the secret cave.
Overview: Flora and Mortensen get a ride out to sea with a lobster fisherman off Tasmania.
Overview: 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.
Overview: Our heroes get tied up and left in a barn.
Overview: Flora, Mortensen, and Esmé head south to find the Black Sun's headquarters.
Overview: Flora does everything she can to save her friends and defeat the powerful Brotherhood of the Black Sun.