Master Dinanath (Amitabh Bachchan) greatly loved his country. But after the independence the people`s love for their country seemed to be diminishing and busy betraying it and making money out of it. Masterji tried to stop the traitor but his own family got scattered. His wife became a victim of leprosy. Masterji and his son settled in a slum divided in four sections - Punjabi Bengali Muslim and Madrasi with a slum lord in each to lord it over. All of them loved only their own section but nobody thought himself as an Indian except Masterji even his son Raju (Amitabh Bachchan) grew up totally differently becoming an underworld character. When Masterji came to know about Raju he handed him over to the police. While taken to court the jeep toppled onto ditch and there was no trace of Raju. Master Dinanath`s sorrow were solved due to his honesty he found his lost wife daughter and his son and the whole family was united again