In Ghost House Inn is a 2010 Indian Malayalam-language comedy horror film written, directed, and co-produced by Lal,. Starring Mukesh, Jagadish, Siddique 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 kills her husband, his lover and the driver.