The Murom Object has been mothballed, but St. Petersburg has now been turned into a Zone. The decisive battle brings together Sid, the leader of the Changed, the conspirators who have created an army of “loyalists”, the lone avenger Mikhail Streltsov and the mysterious Initiate, who is trying to transform the St. Petersburg Source that is in his hands. Will it be possible to change the program of the Sowers, disastrous for the entire human race? Perhaps the answer lies in a factor that all parties to the conflict have forgotten about - the factor of humanity?