It is 2034. Many years ago the nuclear war ravaged most of the world. People survived only in unimaginably large metro networks in cities. Below underground they created a new unique civilization. However, the existence of this civilization is now threatened. Something mysterious takes place at the remote station Sevastopolskaja. Its inhabitants are disturbed because from the northern tunnel - their only connection to the outer meter - any news ceased to penetrate them. All the reconnaissance groups they sent there disappeared without the trace. In this situation, the mysterious commander Hunter, who appeared on Sevastopolska only a few weeks ago, decides to come to the mystery of the joint…