Deadlier Than the Male

In the heart of Paris, André Chatelin's mundane life is disrupted by the arrival of his ex-wife's daughter, Catherine, who claims to be in need after her mother's death. As tensions rise when she becomes involved with a young student, Gérard Delacroix, leading to betrayal and murder, secrets unfold about her past and manipulative nature. A grieving André identifies the body of his best friend, who was killed by Catherine, and confronts her, ultimately discovering the truth behind her deceitful plan.