"The Unfaithful Wife" is a 1969 French film directed by Claude Chabrol. The story revolves around a seemingly perfect marriage that unravels when the wife, Evelyne, engages in an affair with a younger man. This betrayal leads to a series of dramatic events that explore themes of infidelity, jealousy, and the complexities of relationships. As the plot unfolds, Evelyne's husband, Charles, discovers her secret and confronts the emotional turmoil that follows. The film is notable for its psychological depth and the way it examines the consequences of betrayal, making it a significant entry in the French New Wave cinema movement.