Monideepa (Sohini) is the wife of industrialist Arun Chowdhury (Neel). A strange letter and she disappears. To investigate this disappearance of his wife Arun takes resort of former CBI officer and private investigator Rudrajit Roy (Chiranjeet). But the story is not as simple as it seems. The film begins two years ahead of the disappearance and goes back to trace the eerie story.