A young couple, Ganga and Nakulan, arrives at the ancestral home called Madampalli of the latter. Hailing from a family that follows tradition and superstitions, Nakulan's uncle Thampi objects to the couple's idea of moving into the allegedly haunted mansion, which Nakulan ignores. The couple moves in anyway following which seemingly supernatural events begin to happen.
Shobana
as Ganga / Nagavalli
Mohanlal
as Dr. Sunny Joseph
Suresh Gopi
as Nakulan
Nedumudi Venu
as Thampy
Vinaya Prasad
as Sreedevi
Innocent
as Unnithan
Sudheesh
as Chanthu
KPAC Lalitha
as Bhasura
Thilakan
as Brahmadattan Nampoothirippaadu
Kuthiravattam Pappu
as Kattuparamban
Ganesh Kumar
as Dasappan Kutty
Sridhar
as Mahadevan
