Yennai Arindhaal English If You Know Me is a 2015 Indian Tamil actiondrama film cowritten and directed by Gautham Menon, and produced by A. M. Rathnam. The film stars Ajith Kumar, Trisha Krishnan, Anushka Shetty, Arun Vijay, Parvathy Nair and Vivek. The soundtrack album and background score for the film was composed by Harris Jayaraj. The film was edited by Anthony while Dan Macarthur handled the cinematography. Yennai Arindhaals story follows the journey of man named Sathyadev, from the age oftill the age of 38. It is also the final film of Menons police trilogy that began with Kaakha Kaakha 2003 and continued with Vettaiyaadu Vilaiyaadu 2006. The film was released onFebruary 2015, and received positive reviews. The film emerged as a box office success.
Then the film goes back to Chennai 1989 then known as Madras where Sathyadevs father Nassar is killed by a criminal. From there Sathyadev makes a decision and a few years later he is seen in a jail with Victor. With both of their help they escape from jail, get Victor married to Elizabeth alias Lisa Parvathy Nair, and meet Matthew Stunt Silva, a criminal. There Sathyadev infiltrates the gang as an IPS officer, kills Matthew and injures Victor. Then in an attempt to stop a gangster he meets Hemanika Trisha Krishnan who needs to get to a hospital due to her being pregnant. Two years later, he meets Hemanika and her child Isha. After hanging out for a while they decide to get married along with Ishas help. On the day of their marriage, Hemanika is killed both Sathyadev and Isha are heartbroken. Years later Sathyadev decides to quit and travels with Isha around India along with his colleague Richards Vivek help. After he returns, his neighbours children have gone missing and he discovers Victor is now helping his boss, Muruganandham Suman, stealing organs illegally with foreign doctors to help him. Sathyadev is able to find both the children, and is also able to find their next target, Thenmozhi. Then it goes back to the present where Sathyadev keeps Thenmozhi in their house with Isha.In an attempt to get Thenmozhi, Victor and his team kidnap Isha and is held captive along with Lisa who is also helping out. Victor said he will give Isha if they give Thenmozhi, which Sathyadev accepts. Then when they arrive at the location, they find Muruganandham and kill him. Then he finds where Thenmozhi is and saves her and Isha despite killing Lisa. ........
Source: Wikipedia