Naalai Unathu Naal

Naalai Unathu Naal is a 1984 Indian Tamil-language mystery thriller film, written and directed by A. Jagannathan. The film stars Vijayakanth, Nalini and Jaishankar. It is a remake of the Hindi film Gumnaam (1965), itself heavily inspired by Agatha Christie's novel And Then There Were None (1939). The film is about a group of people being murdered one by one while on a free vacation. It was released on 7 September 1984.

Plot
Seven people mysteriously win a free vacation. On the way to their destination, the plane has engine trouble and they are left abandoned in a remote seaside location. They find shelter in a large mansion inhabited by a comical butler Angalamma. One by one, they are murdered and the remaining vacationers try to figure out why they were chosen for the trip and what they have in common.

Production
Ravi, Vijayakanth's stunt double, died during production, and the film was dedicated to him.

Soundtrack
The music was composed by Ilaiyaraaja.

Reception
Jayamanmadhan of Kalki praised the performance of Manorama, the songs of Ilaiyaraaja but was critical of his re-recording; he felt the reveal of the murderer was lack of spice.