The protagonist of the series "Detective Putilin" is a retired chief of the St. Petersburg detective police. In the midst of the 19th century, the man decides to retire and begins writing memoirs about his long, challenging, and fascinating service. Throughout his career, Putilin exposed many swindlers and bandits and sent numerous murderers and rapists behind bars. However, luck was not always on his side. The hero shares his invaluable experience, recounting to the audience the most mysterious cases of his practice.