Neither a Devil Nor an Angel 1980 on netflix

Kawthar leaves her fiancé Ahmed and marries the wealthy Shamis, the owner of the factory where her father works, after a quarrel broke out between them because of her father. She wins his admiration. Ahmed completes his studies and graduates from the Faculty of Engineering. He falls in love with his colleague, the engineer Nahid, and they agree to get married, while Shamis is killed by his lover’s husband. Kawthar asks the engineer Ahmed to help her manage her late husband’s factory because she faces many problems in managing it. By chance, she learns about Ahmed’s relationship with Nahid.