Roshan Sitara is the story of love and sacrifice spanning two generations. The first generation of lovers are the star-crossed cousins Roshan Ara and Mansoor, while the second generation consists of Momin and Sitara whose relationship comes to a happier ending.
Giving in to her mother's greed Roshan Ara gets married to a feudal named Hakim Ali. Mansoor dies of a broken heart while his 8 year old brother who is very attached to Roshan falls into bad health as he mourns his brother's death and being separated from Roshan Ara. His mother decides that the only way for him to get better is to move on and so she sends him to the US. Where as Roshan Ara discovers that her husband is already married.