Nooravathu Naal (English: The Hundredth Day) is a 1984 Tamil-language Indian feature film directed by Manivannan, starring Vijayakanth, Mohan, Nalini and Sathyaraj. Nooravathu Naal is a psychological thriller cum murder-mystery loosely based on the English movie Eyes of Laura Mars (1978). It was dubbed into Telugu as Nurava Roju and remade in Malayalam as Aayiram Kannukal (1986) and in Hindi as 100 Days (1991).
Devi (Nalini), a college student has a strange premonition one night of her sister being murdered. Her sister soon goes missing. After a few years, Devi meets and marries a rich businessman Ramkumar (Mohan). Soon after, Devi has another vision of an unknown woman being murdered and seeks the help of her brother-in-law Dr.Raj (Vijayakanth) to help her save the possible victim. Raj is reluctant to believe her story but assists her anyway.
Devi also finds a decomposed body in the bungalow where she lives with Ramkumar, which she believes is her sister's based on her previous vision. Devi and Raj's investigations lead them to the museum where Devi's sister worked and a strange man (Sathyaraj) who tries to assassinate them. Whether Devi's strange premonitions are true and whether she and Raj are able to trap the mysterious killer forms the rest of the story.