In Ghost House Inn is a 2010 Indian Malayalam-language comedy horror film written, directed, and co-produced by Lal,. Starring Siddique, Mukesh, Jagadish and Ashokan in the lead roles, the movie is a sequel to 2 Harihar Nagar (2009) and In Harihar Nagar (1990). It was produced by P. N. Venugopal under the banner of PNV Associates. The movie was a boxoffice success.

Plot

The movie starts with the flashback of an incident which took place 70 years ago, in Dorothy bungalow, where Madam Dorothy Fernandez carries a trunk filled with blood (where she killed her husband and his lover) and kills her driver. She then drops the trunk and the driver into a well situated in the lower right room and leaves the place.