Yennai Arindhaal is a 2015 Indian Tamil-language action thriller film written and directed by Gautham Vasudev Menon and produced by S. Aishwarya. The film stars Ajith Kumar, Trisha Krishnan, Anushka Shetty and Arun Vijay in the lead roles, while Vivek, Anikha, Parvathy Nair, Ashish Vidyarthi, Suman and Avinash Yelandur appear in supporting roles. It is also the final film of Menon's police trilogy after Kaakha Kaakha and Vettaiyaadu Vilaiyaadu. The film revolves around a former police officer's battle to protect his step-daughter from his arch-enemy.