South of Russia, twenties of the last century, the height of the Civil War. A young forensic doctor, Yegor Lisitsa, dreams of solving crimes with the help of a new science - forensics. Unexpectedly, he finds himself drawn into a rapid whirlpool of events, where espionage and huge money, red and white, the nobility of the passing century and brutal murders are mixed. As part of a small detachment, Yegor Lisitsa carries out an extremely important mission - to deliver valuable and secret cargo to the sea. But the mission is in jeopardy. A cold-blooded criminal is operating inside the squad. Yegor is forced to fight with him. The circle of suspects narrows, turning into a list of victims. Will knowledge of progressive scientific methods help the hero in confronting the “werewolf”? How will the intellectual duel between yesterday's student and an unprincipled, sophisticated killer end? Liza Loseva’s book “The Black Suitcase of Yegor Lisitsa” became the winner of the “Russian Detective” award in 2020 in the “Discovery of the Year” category. Detective fans will find a surprise in the book - the author's detective quest game with the characters of the book.