Brother and sister Andrei and Evgenia Livadov moved from the twenty-first century to the twenty-third, post-apocalypse era. After World War III and Doomsday, the Earth is divided among three huge corporations, replacing the former governments of states that no longer exist. To survive, to snatch from the cruel world the chance 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 to do this is military service. Andrew is now a Marine Corps recruit for the Blue Corporation. Zhenya is a recruit of an airborne assault regiment in the Red Sector of the planet. They will take the oath and will serve with arms in the hands of the new world order, otherwise they will not survive...