Motreb (1972)

A famous singer named Eskandar who killed his cousin out of love and served 15 years in prison is released. He finds out that his nephew Sasan has impregnated his late cousin's daughter Negar and is reluctant to marry her. At first Eskandar tries to convince Sasan but when he flees the city, Eskandar marries Negar to save her honor. They decide to stay married until Sasan comes back.