2225 Planet Earth. The Climate Reactor, storing the last heat for the freezing Earth, is captured by a horde of bloodthirsty mutants. Thousands of people in the ruins of New America are doomed to a painful death... Who is able to resist this aggression, to help people survive in conditions of extreme Cold? The rulers of New America, the Chosen Ones, intend to take advantage of the “human resource” from Siberia: the mighty savage Svyatogor and Mike Butler, a representative of the civilized world, must organize an expedition to the Reactor, penetrate the emergency control point and return heat to New America. But the Chosen do not yet know that their Ancient Enemy has risen again and that retribution is approaching...