War between two great cosmic races, for centuries - millennia! - who have recruited allies on all the planets where they could find intelligent life, is nearing the end. Could it be different if the best warriors of the Universe - earthlings - intervened in the game? Earthlings are fighting on both sides of the conflict. However, only one of the warring armies is controlled by a man - a man who has been teaching “strangers” the art of fighting “humanly” for many years...