After the passage of two decades, the Omnians discovered a second, critical clue about the Nua'll, humankind's enemy, while investigating Celus-4, the home world of the intelligent, canine-like aliens, the Dischnya. This striking discovery, combined with the final broadcast of the Nua'll sphere at Libre, prior to its detonation, gave Alex Racine and company the means to narrow the search for the Nua'll home world. Alex has a consuming...