In the center of tropical Africa, in the Congo Basin, lurks the mysterious Likval swamp. It is hidden from prying eyes by a thick cover of impenetrable jungle. Not a single European, not a single expedition that went there, managed to go back. According to rumors, dinosaurs are found there, and alien civilizations have created their own base. Only Mikhail Kremnev, a young military translator who ended up in the Likval swamp after a plane crash, managed to return two years later. What secret do these places keep in themselves, how did Mikhail manage to survive in the African jungle? What adventures did he go through?