The Earth is cut off from space by clouds of spacecraft debris and not a single signal reaches the surface. All long-range radio communications on the planet are blocked by interference. Military fleets were forced to be laid up, poaching, smuggling and piracy flourished on the oceans. A brilliant mathematician, FSB Lieutenant Colonel Oleg Nikitin comes to the conclusion that in the current picture of the world, not everything is so simple. Someone clearly had a hand in deepening the crisis. To test this terrible assumption, a group of saboteurs led by Oleg penetrates a secret NATO naval base.