When a cargo ship, which according to documents had a very valuable cargo, moored at the gateway of a near-Earth space port, initially no one suspected that its holds were filled with ordinary brown coal. The international corporation “Mars Corporation” was expecting the first batch of substance “X” transported by the cargo ship. the bot “Phobos” from the Martian satellite of the same name and which has unique characteristics, and received coal, which is abundant on Earth. The group that went to investigate disappeared, following the miners and to finally clarify the situation, a special team flies to Mars, which will have to find out the fate of the disappeared people or perish themselves.