With Claudia, Wolf discovers a third black stone in a tunnel in the Egyptian Eastern Desert by the Red Sea, and a young archaeologist shows them an interesting stainless steel artifact found in a tomb on the Giza Plateau. The Great Pyramid of Cheops is also a destination of their journey, and Wolf and Claudia get the chance to explore it in depth. To investigate a well-documented UFO landing, Wolf and Claudia travel to the Canary Islands. During a sightseeing flight, they make astonishing discoveries from the air. When they visit the pyramids of Gümar, they find another clue about a black stone that was discovered in a cave there. However, the reason why these stones appear in various places around the world remains a mystery - as does the possibility of traveling to the past and future at certain locations.