Soon after the possibility of time travel was discovered, the need arose to create a special service that would monitor and suppress temporal paradoxes that arise as a result of intrusions into the past. Chronosecurity employees rarely sit idle: dangerous incidents occur too often. As a result of a technical error, the book “The History of the Rise and Fall of the Third Reich,” written in the sixties, ends up in Munich in 1943. Its sixth volume, which describes the end of World War II, is capable of becoming a genuine “book of destinies” for the top of the Nazi state - knowing how events will develop in the future, the Nazis are quite capable of turning the tide of the war in their favor. This cannot be allowed to prevent the world of the future from collapsing. Time control officers begin a dangerous game in the heart of the Third Reich.