When Kim Keller, now an experienced astronaut, returns to Aldebaran with her daughter Lynn, she discovers that she has become a celebrity there. Her status as an emissary of an alien race brings new responsibilities. She is to oversee a group of scientists who are observing a cube in the middle of the forest, which is said to conceal a quantum portal. At the same time, Kim meets Manon Servoz, one of the survivors who wants to join her team. In the latest cycle of Leo's long-running sci-fi series "The Worlds of Aldebaran," which has been ongoing for nearly 15 years, the heroine of the first three cycles ("Aldebaran," "Betelgeuse," and "Antares") encounters the heroine of the parallel series "Survivors." What secrets will the two women uncover?.