Unfaithful: The History of the Adultery Film provides an in-depth examination of the adultery film. The book offers insights into the reasons that this film genre has always fascinated and provoked audiences. The adultery film explores the dilemmas of human nature, the complexities of marriage, and the consequences of infidelity. The subject of adultery has been explored in thousands of films. It has been at the center of melodramas (The Letter), romances (Casablanca), screwball comedies (The Awful Truth), dark comedies (The Apartment), thrillers (Diabolique), murder films (Double Indemnity), slasher films (Fatal Attraction), military films (From Here to Eternity) and Gothic dramas (The Piano). The book traces the many ways that Hollywood has grappled with this challenging and significant topic. It examines the evolution that the adultery film made from lurid and outlandish melodrama to sensitive and realistic drama. The book is a comprehensive study of the adultery film as a dramatic genre, but it is also an exploration of the cultural impact of these films. The book is designed to appeal to both cinephiles and those readers interested in social history.