3593... A galactic war is in full swing. Seven years have passed since people again set foot on Earth - their ancient ancestral home. All this time, humanity inexorably pushed back the Others, reviving the former power of their race. And the strangers, split into two warring factions, fought not only with people, but also with each other. This confrontation was only to the advantage of people - their enemies themselves bled each other, thereby facilitating the task of liberating human planets that were still under the rule of the Others. But then the unexpected happened: one of the races, the Alvas, mastered a weapon of such destructive power that it was under threat the existence of the entire Galaxy turned out to be...