The Assembly of Worlds has been dissolved, aliens from parallel realities have been thrown out to their homeland. However, the ancient races hostile to earthlings do not give up persistent attempts to penetrate the main trunk of reality. Super agent Pavel Golovin, who once left the earthly department of the Assembly forever, is forced to get back into action - this time the enemy is incredibly insidious and cruel, so every dedicated person who is able to resist the enemy is important for earthlings...