The name of Rustom (Prithviraj Kapoor) reigned in Iran-Persia in the year 720
BC.He was known for his super human strength.Tehminia (Suraiya) princess of
Samangan fell in love with him.Destiny favored and Rustom consented to marry
her.Even stayed in Samangan after marriage.Irans enemies took advantage of his
absence and attacked Iran and imprisoned the king.Kings captivity dismayed his
happy world and he left his pregnant wife weeping, to get his emperor freed.
Years passed by.Rustoms son Sohrab (Premnath) was kept in dark about his fathers
identity, so that he should not go to Iran in search of his father. He was
leading a regular life with his sweetheart Mumtaz.Irans enemies brought Sohrab
into cruel trap and the young warrior was matched against his own father in a
deadly duel.What happened next, is the climax.