Jayaraman (Mohanlal) is born as a blind man but with heightened senses of smell, sound and touch. He is trained in the martial art of Kalaripayattu. He works as an elevator operator in an apartment where many reputed people live. One day he happens to encounter a murder in a flat. The killer escapes and Jayaraman is charged with the murder. To prove his innocence to the law, Jayaraman must now find and kill the true murderer.

The movie revolves around the family of Aby. His wife Sara, and their daughter Riya . Aby is a bank employee. Sara was brought up in an orphanage and is lucky to have an understanding husband, Aby. When Aby gets a transfer to Kolkata, the family shifts to Kolkata where they have to encounter certain unexpected tragedies. How they face and overcome these adversaries forms the crux of the story.