After serving three years in the Siberian zone, Rambo and his friends return to St. Petersburg, where a criminal war for the redistribution of spheres of influence is in full swing, a war of life and death. However, on the way he faces mortal danger. Rambo has no idea who is behind the attempt to take his life and destroy his brigade. He has no idea that in this war he will find his true love and will be forced to defend it...