My name is Andrei Gagarin - call sign "Cosmos". I am stuck in Sierra Leone, in the center of an epidemic that turns people into terrible mutants. My sister and people close to me are in terrible danger. And now, in order to get her out and the people who trusted me, I made a deal with my enemies - the Global Diamond Corp. I have two weeks to find the diamond lost in the dead city and pay the ransom. Time has passed...First part -