The wife (Sanjana) soon realises that her husband (Aditya) is part of a ghostly and scary conspiracy, which she must solve to restore their relationship.
Professor Agni Swaroop, who is supposedly an expert of supernatural beings, is called by police to look into the matter.
After her recovery, Sanjana asks her husband for a divorce; Aditya, however, realises his fault and suggests a vacation to work out their problems.
She decides to visit Robert's wife who tells her that he changed and became scared whenever anyone mentioned the guest house.
Before leaving, he hands Sanjana a lemon and asks her to check on it after sunset, making sure it doesn't change its color.
The next night, Professor Swaroop revisits the same spot in the forest where Nisha was attacked, accompanied by Priya and Sanjana.
The real Sanjana, Priya, and Swaroop arrive at the cottage, where the bewildered maid tells them that Aditya had just left in the car with her.
To stop the spirit, Sanjana, Priya and Swaroop enter the forest to locate Malini's body and burn it.
The spirit attacks the trio, killing Swaroop and possessing him While being pursued, Sanjana finds Robert's corpse hanging on a tree.
[9] Nominated The music of Raaz was released on December 8th 2001[10] and was composed by the duo Nadeem-Shravan, while the lyrics were penned by Sameer.
Singers Udit Narayan, Alka Yagnik, Abhijeet, Sarika Kapoor, Jolly Mukherjee and Bali Brahmbhatt lent their voices for the songs.
[11] According to the Indian trade website Box Office India, the soundtrack sold 30,00,000 units, contributing to the film’s Blockbuster success.
[12] All lyrics are written by Sameer; all music is composed by Nadeem-ShravanThe film was dubbed in Tamil as Rahasyam.