While driving to a party, Amit Srivastav (Amitabh Bachchan) and his wife Sheela (Moushumi Chatterjee) watch a man getting stabbed. Amit stops to help the man and takes him to a nearby hospital. The man is Mr. Verma, a reporter about to expose an influential and wealthy person. A few days later, Amit starts receiving telephone calls from a man warning them and asking for information Mr. Verma had with him. Amit does not know about this information and decides to keep it to himself. Strange incidents begin troubling the couple, and then Amit and Sheela’s son, Rajoo (Master Bunty), disappears. No one has any clue to where Rajoo is.