My Wife & the Dog(1971)

Original title: زوجتي والكلب

Chief Morsy is a lightkeeper staying at a faraway lighthouse. He marries So'aad and shortly returns to the lighthouse where he recounts to Nour his adventures with women. When he sends his wife a letter with Nour, Morsy grows suspicious of his wife's fidelity. Suspicions nourished by his jealousy.