La Femme de l'aviateur

The Aviator's Wife is a 1981 French romantic comedy-drama film written and directed by Éric Rohmer, starring Philippe Marlaud as François, a young man who becomes obsessed with his girlfriend Anne's (Marie Rivière) relationship with her ex, Christian, an airline pilot. After witnessing Christian with a blonde woman, François decides to spy on them, leading to a series of complex and outlandish stories with his friend Lucie (Anne-Laure Meury). As the day unfolds, François's obsession with the truth about Christian's relationship with the blonde woman deepens, leading to a complicated and nuanced exploration of love, relationships, and the complexities of human connections.