A gigantic volcanic explosion has devastated Primeland. This disaster marks the beginning of the largest wave of immigration in history to the parallel Earths.
While you have to adapt to survive, post-humanity could already be underway. The enigmatic Lobsang investigates with Josué on gifted young people. They are already called "protohumans" and they pose a real political problem.
As for Willis Linsay, the brilliant inventor, he recontacted his daughter, Sally. He wishes to associate it with his exploration of the parallel Mars, in search of a mysterious artefact...