A rich man named Sohrabi adopts a little boy named Ali. As an adult, Ali takes over the management of the Sohrabi factory with diligence and perseverance.

Setwar Khan Nayeb (Abdul Ali Homayoun) plans to marry his niece Maryam (Parastu) to his son Bahram (Arif); but Bahram is in love with Parvin (Marjan).