Along the Night (1977)

Parvaneh (Googoosh), who is a famous singer and movie star, has an affair with Kaveh (naser Mamdouh) who has a family, after she gets divorced. A student named Babak (Saeed Kangarani), who suffers from leukemia, falls in love with Parvaneh and writes her letters expressing his love. They meet and have a good time together for a while. Parvaneh hears about Babak's disease and decides to send him abroad for medical treatment. Babak rests his head on Parvaneh's shoulder on the plane and passes away.