The Interstellar Commonwealth, which united hundreds of inhabited human planets, expanded and prospered for many years—but in an instant it found itself on the brink of annihilation. The Primes—outsiders who arrived from Dyson’s Alpha—seized dozens of worlds using weapons of incredible power. But this is not the only danger threatening humanity. The Star Wanderer, a mysterious alien whom for a long time almost no one believed in, has been weaving a conspiracy for centuries and is now destroying the Commonwealth from the inside.
Chief investigator Paula Mio tries to figure out how he managed to remain uncaught for so long, but at the very moment the solution is close, the operation collapses due to sabotage. Now Paula faces a new task: to find out which of her colleagues became the traitor who decided to destroy the entire human race…