She Who Was No More by Boileau-Narcejac

In this gripping psychological thriller, a man and his mistress conspire to murder his wife, only to find themselves ensnared in a web of paranoia and guilt when she seemingly returns from the dead. As the boundaries between reality and illusion blur, the protagonist is driven to the brink of madness, haunted by the specter of his crime and the unraveling of his carefully constructed facade. The narrative masterfully explores themes of deception, betrayal, and the haunting consequences of one's actions, culminating in a chilling and unexpected climax.