Brother and sister Andrey and Yevgenia Livadovy are transported from the 21st century to the 23rd, the era of post-apocalypse. After the Third World War and the Judgment Day, Earth is divided between three giant corporations that replaced the former governments of the states that no longer exist. To survive, to wrench from the cruel world a chance to find each other and return to the past, the brother and sister must become part of two different corporations. They have to be incorporated. The simplest way is military service. Andrey is now a recruit of the Marine Corps of the Blue Corporation. Zhenya is a new recruit of the airborne assault regiment in the Red sector of the planet. They will swear an oath and serve with weapons in their hands under the new world order—otherwise they won’t survive…