Perry Rhodan is still on his journey with his galactic fleet in the galaxy M 82, about 10 million light-years away from Earth. The fleet has now reunited but is once again facing the Endless Armada. This gigantic army, consisting of millions of spaceships from various civilizations, holds ancient cosmic secrets. Additionally, a deadly struggle for power rages within the Armada, triggered by the mysterious Silvers. They see Perry Rhodan as a dangerous competitor. If the Terran wants to withstand them, he must first find the Armada Prophet - whose immense knowledge could help humanity...