Lisa Loseva’s novel from the “Retro Detective” series tells about a new investigation by Yegor Lisitsa, a forensic expert at Donoblugro. This time he goes to the remote village of Ryazhenoe to find out the circumstances of the death of local activist Lyuba Rudina. She went into town to do some shopping for the Revolutionary Committee cell and disappeared. Later, her body was found in a creek near a farm in blood-red water from blooming algae... The action-packed novels by Liza Loseva take place during one of the most tense periods in the history of our country - the 1920s - 1930s. The country, which has not yet fully recovered from the revolution and the Civil War, is trying to build a new life. An exciting detective intrigue develops against a colorful historical background. Retro detective story by Liza Loseva is a series of novels set in the 1920s in Rostov-on-Don, Nakhichevan and other cities in the south of the country. The map of events is followed quite accurately. The houses of the heroes can be found in the modern city; there is even a tour of them. The author worked in archives in Russia and Germany in order to more accurately show the methods that could be used by forensic doctors and criminologists of that time. Liza Loseva collected details of everyday life not only in archives, but also in personal stories, because it was very important to convey the uniqueness of the place.