A Soviet militiaman finds himself in the body of Inspector Lestrade, known from the stories about Sherlock Holmes. Playing the role of an officer in Victorian London, he brilliantly solves crimes, surpassing even the most famous detectives. The criminal world of the capital trembles before this seasoned investigator, who knows no fear and easily handles any task. The newspaper "The Times" calls him the best at Scotland Yard—and this time it’s right.