About the book: 2021 / Warsaw under German occupation, the First World War is underway. The Russian army, pushed far to the east, is preparing for a counter-offensive, and Rudnitsky receives an offer from the Germans that he cannot refuse. Avoiding interference in politics, the alchemist unwittingly becomes involved in a game in which life and even more are at stake. Meanwhile, creatures who bear the names of fallen angels appear in the enclaves. The roads of Rudnitsky and Samarin cross again, but this time each of them fights under a different flag.