Hum Naujawan is a thriller drama. The movie revolves around an honest man named Hans Raj (Dev Anand), who joins the college as a new principal. His life turns upside down when his teenage daughter, Priya (Tabu) is raped and brutally murdered. He seeks out to find the culprit and take revenge. All the clues point against a student Shammi (Attley Brar), who is the son of the home minister. However, the question remains, how will Hans Raj exact his vengeance from such a powerful man?