Saleena (Suparna) is happily married to Mathew (Sukumar), a wealthy estate owner. Inexplicably she commits suicide much to the shock of Mathew. He firmly believes that there existed no reason for her to do the act and asks his journalist friend Balu (Mammootty) to investigate why. Balu, who was also close to Saleena, tries to piece together clue from her past to figure out the answer.