Bollywood musical drama about secrets and murder. Famous stage actor Kumar (Sunil Dutt) meets and soon marries Meena (Vimi), daughter of wealthy contractor Mr. Verma (Manmohan Krishna). Shortly before he dies, Mr. Verma tells Meena a secret and, one year on, Meena is killed. Inspector Ashok (Balraj Sahni) heads the police investigation into her murder which unveils hidden aspects of Meena's life - she was married in the past to Captain Rajesh (Raaj Kumar) and had been meeting privately with Captain Mahendra (Anwar Hussain). Kumar, however, soon finds himself to be the main suspect.