In the middle of the 22nd century, the Old Ones have finally arrived. They're building a base on Mercury to collect the Sun's energy, preparing to absorb the entire solar system. Johnny Winger's an angel, a para-human swarm entity now. He's working inside the Mother Swarm, gathering intelligence, trying to stop them. But there's a problem: no one believes it's really him. To defeat the Old Ones, he has to overcome his own doubts and those of others. It's the greatest challenge of his life. Final episode in the Tales of the Quantum Corps.