The mystery of Human and Hianja genetic inheritance comes to the fore. After receipt of the Hyperspace message containing information about Human and Hianja DNA, a common Human/Hianja expedition is mounted to explore the depths of the Omega Centauri cluster, the origin of the signal. What will the expedition to Omega Centauri discover? Is it the home of the mysterious Makers? Who are they? How many other species throughout the Galaxy have they genetically modified? Why have they disappeared from the galaxy for thousands of years. And why have they sent this signal to the Solar system now .