The Dirty Hands(1979)

Original title: الأيدي القذرة

Kamal meets the wealthy widow Alyia and her brother-in-law Zaki. He also meets Saeed, who looks exactly like him and their relationship is strengthened. Zaki urges Kamal to withdraw a large sum from his company's safe to be a partner in one of his deals but discovers that he's a fraud.