The Guest (1976)

A close friend of Enayatollah, asks him to take care of his daughter, Meimanat, because he is a pilgrim going to Mecca. Meimanat falls in love with Enayat but the man pretends to have a family. Meimanat finds out about his fake family and reveals the truth, but Enayat resists to marry her. He marries the woman who has pretended to be his wife and adopts her son too to avoid barratry.