Brother and sister Andrei and Evgenia Livadov are transferred from the twenty-first century to the twenty-third, the post-apocalypse era. After World War III and Judgment Day, the Earth is divided between three huge corporations, replacing the former governments of states that no longer exist. To survive, to snatch a chance from a cruel world to find each other and return to the past, brother and sister need to become part of two different corporations. They must be incorporated. The easiest way for this is military service. Andrey is now a Blue Corp Marine Corps recruit. Zhenya is a recruit of the air assault regiment in the Red Sector of the planet. They will take the oath and will serve with arms in hand for the new world order, otherwise they will not survive...