Lesnogorsk anomaly is no more, but the threat has not disappeared. An unknown powerful entity breaks into our reality, and a whole detachment of APBR dies in a massacre near Irkutsk. "Loyal," a victim of the experiment to create the Changed New Generation, is going to make the carrier of the deadly plague an instrument of his revenge. The bloody trail of brutal murders leads from Siberia to the Urals, and Moscow stalkers receive an order to destroy the St. Petersburg Source. In all these seemingly unrelated events, Dedicated Oleg Kataev sees signs of an impending war between the messengers of the universal mind. Is anyone capable of stopping a mad Sower eager to destroy humanity?