Karthik secretly loves his colleague Shaloni. But Shaloni will be having an affair with another co-worker Ashish in the same company who would have married already and still having a secrete affair with Shaloni.
Karthik visits his psychological doctor regularly to get some advices for a troubling childhood incidence. Wherein he will accidently kill his brother.
Mysteriously Karthik starts getting telephone calls from Karthik who tells him that he knows everything about him and helps in to gain confidence. From then on Karthik gets calls regularly at 5.00 AM and boosts his confidence. Now the confident Karthik does well in his job. Gets promoted doing well in his job as well as by blackmailing his boss. Karthik makes Ashish to tell the truth about himself to Shaloni about him being married and gains Shaloni's love as well. Then Karthik calling over phone insists Karthik not tell anybody about the calls he is getting. As people would think that he is psychologically ill.
When Karthik and Shaloni both fell in deep love, Shaloni asks Karthik to not hide anything from him. Karthik eventually tell Shaloni about the calls he is getting. Shaloni doesn't believe this and asks him to take a psychiatrist's advice. But Karthik refuses but eventually agrees to take psychiatrist's advice.
But Karthik calling over phone gets angry for telling about the calls he is getting over phone to Shaloni and warns him to take revenge. Next day Karthik loses his job for blackmailing the boss and informing his client about a lawsuit in the property they are dealing with which results in filing a lawsuit against his own company. He even looses Shaloni by calling her as a bitch and prosititue for her past relationship. He loses his entire savings over night.
Worried Karthik tries to escape from Karthik who calls over phone and moves to a place which is unknown to himself. Gets a job there and avoids using the phone. But his Boss insists him to get a phone. Once he buys a phone he starts getting the calls again from Karthik and now Karthik tells him that he will finish him. So, Karthik sends a mail to Shaloni and decides to commit a suiside.
For questions like, what will happen to Karthik. Will Shaloni rescue him from the troubling phone calls? Who is actually calling Karthik? Watch the movie to get the answer.
Overall it is a good movie to watch. Climax could have been better.