By Divya Solgama(09 Apr 2008)
Prakash is (Navin Nischol) a librarian by profession & his family consist of his beloved daughter. One day Prakash meets his friend Usman (Suresh Oberoi) who is a private detective and trusts Prakash a lot. As Usman has been threatened by someone regarding his personal diary & a knife used in a particular case, he gives Prakash his diary & the knife to safeguard from the unknown gangster. Soon, Usman is murdered. Now Prakash gets a call from an unknown gangster for Usman's secret diary and knife. Prakash makes a complaint to the police by illustrating the story about Usman before his death and about the diary and the knife. Soon, a call girl named Preeti (Reena Roy) tries to get close to Prakash in order to know about the diary and the knife. Prakash notices Preeti's act. Prakash informs the police about Preeti's act following which, they tell Prakash to behave normally with Preeti in order to know the gangster behind her. Prakash directly ask Preeti about her boss and soon Preeti gets helpless and tells him her story and that her boss's name is Prince, who's a smuggler. Soon Prince realises that Preeti is cheating him with Prakash and hence he murders Preeti. After a couple of days Prince murders Jyoti's husband Ramesh. Prakash gets agitated and angry, in search of Prince and the secret behind the diary and the knife. The question remains, will Prakash be able to find Prince and the secret behind the murder of his friend Usman and Jyoti's husband, Ramesh. What is the mystery behind the knife & the Usman's diary?