2150. The solar system has been mastered and divided into competing factions. The general leadership of the colonies, as before, is carried out by the Earth, but the power of the mother planet is weakening. Ingvar Falk is an agent leading the investigation of the strange events that took place on Jupiter. Some force is changing the planet, controlling local life forms and coming into contact with people. Those who managed to communicate with the powerful mind were irreversibly changed. Now they are subordinate to someone else and represent a formidable force that has penetrated all levels of power structures.