K.P. Kottarakara

Biology professor and her students, including a convent nun go on a field trip, and stay at a Public Rooming House of a male group, led by retired colonel. But fate has other plans for them.

Kalyani lives in a small tenement with three sons, Vijay, Nandu, and Bhola, all of whom are unemployed, slackers and trouble-makers. One day Nandu gets into serious trouble with Shantilal, who summons the police, and has him arrested. Kalyani goes to the Police Station to plead with the In-Charge Officer to release Nandu, to no avail. She then goes to Shantilal to try to persuade him to withdraw the charges, also to no avail.

A group of college students embark upon an eerie adventure during their stay in a seemingly haunted rest house.