Most people believe that the past is unshakable. Some occasionally notice strange distortions in the seemingly long-established. And very few are able to create such changes. Those who call themselves the Order are capable. Their weapon is the mysterious Machine. Their reward and burden is the memory of hundreds of options for the life lived. Their motto: "For the sake of a better future!" But Moscow student Igor Odintsov somehow has no time for the future - he would deal with the present. No joke: wake up on a peaceful Sunday morning in someone else's apartment, and even in the same bed with a girl you see for the first time! Despite the fact that you clearly remember how you fell asleep at home and in splendid isolation! But is it possible to rely on memory in a world with an unpredictable past?