In the courtyard of 2034. Under the ruins of post-apocalyptic Moscow in metro tunnels, the remnants of the human race fight with deadly threats, both external and internal. Mutants sneak through the catacombs under a deserted surface and soar in poisoned skies. But instead of joining forces, city-stations are mired in the struggle for absolute power and the arrangement of the day of judgment from the army depots of D6. A brewing civil war can forever wipe out humanity from the face of the Earth