Khitrovka. The Sign of Four is a 2023 Russian mystery film directed by Karen Shakhnazarov about the theatrical bohemians of the early 20th century and the inhabitants of the Khitrovka slums. It stars Konstantin Kryukov, Mikhail Porechenkov and Alexander Oleshko. The film is based on the works of Vladimir Gilyarovsky and Arthur Conan Doyle's novel The Sign of Four. This film was theatrically released on May 18, 2023, by "KaroRental" Film Distribution.