Raj (Raj Kapoor) lives in a slum with his mother after being estranged from his father (Prithviraj Kapoor), a wealthy judge, who left his wife on suspicions of infidelity. Thrown out of school and forced to steal and cheat to make ends meet, Raj becomes a talented petty criminal, thanks to Jagga (K. N. Singh), a criminal who has a score to settle with the judge. Upon growing up, fate brings Raj in contact with his childhood friend, Rita (Nargis), and his father.