Take Care of Your Hat(1975)

Original title: مواظب کلات باش

Farhad and his friend Shirali are partners in a car exhibition. After treating his wife, they receive the news that she is pregnant, bringing a fresh vibrancy to their lives. However, during this time, a woman named Shahnaz, who was acquainted with Farhad in his youth, comes to Tehran and causes their lives to fall apart...