A realtor is lured into buying a haunted house by a vengeful enemy. However, he is killed under strange circumstances. His brother, a tantric and a Sanskrit professor, comes to investigate the matter.

Kunjunni played by Mammootty buys a haunted Bunglaw in a village named 'Chembara'. And one day, Kunjunni gets killed. Everyone believes that it was because of the haunted mansion. His elder brother (Mammootty) returns to the village to seek the revenge and the mystery revealed.—Ajeesh Madhava Vijayan