"The Thin Man" is a 1934 mystery-comedy film directed by W.S. Van Dyke. It stars William Powell as Nick Charles, a retired detective, and Myrna Loy as his witty wife, Nora. The couple becomes involved in solving a murder case while enjoying their social life in New York City. The film is based on the novel by Dashiell Hammett and features a blend of humor and suspense. It was notable for its clever dialogue and the chemistry between Powell and Loy, leading to several sequels. "The Thin Man" is considered a classic in the film noir genre.