A couple, Sanjana and Aditya (played by Bipasha Basu and Dino Morea), travel to Ooty to save their failing marriage. They discover their house is haunted by a vengeful spirit (Malini) who was once Aditya's lover.

A file originally in MKV format that was renamed or converted to MP4 for better compatibility with certain media players.

It is an unofficial adaptation of the Hollywood film What Lies Beneath and spawned a successful horror franchise . Understanding the File Extension

It is common for older feature films to be distributed online in "short" or compressed formats with double extensions (like .mkv.mp4). The original Raaz is a landmark in Indian horror cinema.