Kidaari is a 2016 Indian Tamil-language mystery action thriller film written and directed by Prasath Murugesan, starring Sasikumar and Nikhila Vimal in the lead roles. The film, which is also produced by Sasikumar, features Napoleon, Vela Ramamoorthy, Suja Varunee, O. A. K. Sundar, and Hareesh Peradi in supporting roles. Darbuka Siva composed the music, while S. R. Kathir handled the cinematography and Praveen Anthony handled the editing. The film was released on 2 September 2016.

Plot

In Sattur town, Kombaiah Pandian (Vela Ramamoorthy) is the local don and controls the entire town. Kidaari (Sasikumar) is Kombaiah’s loyal henchman who is ready to sacrifice his life for the sake of his boss. One day, Kombaiah is stabbed in his neck by someone, and the news comes as a shock to the entire town. Now, Kidaari sets stage to find the culprit behind the assault and lists out all the suspects. The movie goes into flashback mode, frequently detailing the rivalry between Kombaiah and each suspect. Finally, Kidaari finds out that Kombaiah’s brother in-law and close aide, Kombaiah's friend (Mu Ramaswamy), was responsible for the assault. Kombaiah's friend admits that Kombaiah was stabbed accidentally when he tried to safeguard himself from Kombaiah. A flashback is shown detailing the rivalry between Kombaiah and his own son Nambi (Vasumithra).