Dangerous forces are at work across galactic space that the Omnians are attempting to stabilize, but their resources are severely strained. The SADEs, self-aware digital entities, express to Alex Racine and Renée de Guirnon their desire to know the method of their creation. Alex and Renée, the Omnian co-leaders, want to obtain the knowledge for the SADEs, who are humans' closest allies. Alex, Renée, and Julien, a friend and a SADE, board the giant city-ship, Freedom, which sails for Méridien, the home world of the far-reaching human colonies of the Confederation. They have a long overdue appointment with House Brixton, the Méridien group responsible for creating the SADEs. However, Shannon Brixton, the House Leader, is expected to zealously guard the secrets of the SADEs' origination. While at Méridien, Alex receives an urgent message requesting help in alliance space, where a small group of Omnians and Earthers battle the Colony, a race of insectoids, which is subsuming planets. To complicate matters, a ...