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The best detective Ivan Karpovych Pidipryhora is no longer young. He lives on a farm with his wife and daughter, and in general, he doesn't really want to run around to clients, let alone follow or participate in the tumultuous events of 1917. But fate decrees otherwise: first, the publisher comes to him with a new editor, then the first client, and then he has no time to travel the world. Ivan Karpovych thinks, finds and constantly improves himself, no matter how much he would like to rest on his writerly laurels. He will meet bloody murderers, mysterious artefacts, time travel, old friends with new enemies - everything is as usual, only even more interesting, because the time is like this: just have time to be surprised and dodge bullets.