Yennai Arindhaal (Eng: Well, If You Know Me) is a Tamil drama thriller film of 2015. The film is directed by Gautham Menon who is also a co-writter of the film. A M Rathnam is the producer of the film. The film features Ajith Kumar, Trisha Krishnan in lead roles with Anushka Shetty, Arun vijay, Parvathy Nair and Vivek in supporting roles. This is the final film of Gautham Menon's police trilogy series and it also enlighten another police story in a different but appealing manner. Yennai Arindhaal follows the story of a man from the age of 13 to 38 and the hectic past he has gone through. Thenmoshi (Anushka) lives in U S and comes to Boston to receive one of her niece. In the air port she got an unexpected company of Satyadev (Ajith kumar) who help her very much during their travel.Satyadev rescued her from a criminal named Victor, who tried to abduct her. On seeing Victor in the air port, his mind goes years back and the flash back begins. The plot begins in Madras and some criminal killed Satyadev's father. He decided to take revenge on them, for that he tried an adventurous but interesting method of disguising and make friendship with the culprits. He went to jail and made friendship with Victor, one of the culprit. They escaped from the prison and Victor married Lisa (parvathy). He find the domicile of the culprits and infiltrated as an IPS officer and killed Matthew, the gang leader and injured Victor. There he met Hemanika and helped her from the gangsters. She was pregnant and gave birth to a baby girl. After two years Sathyadev decided to marry Hemanika but she was killed by some criminals. The heartbreaking incident left Satyadev and Isha (Hemanika's daughter) alone. Years went on and once he make out that the same Victor is doing business with his old Boss on selling organs to foreigners. For that he is staling children from his locality. This time they encountered ferociously and Satyadev defeated them and for a long time not heard of them. Now the flash back is over and Satyadev took thenmozhi to the flat where he kept Isha. The enemies were behind him and inorder to hold back him they kidnapped Isha.The remaining story tells about the exciting story of how he defeatd and rescued the victims. But one heartbreaking thing happened in the end and one of his favourite killed in the incident.Whos was that? For best answer you watch the film and find out yourself. The film received positive reviews more and like the previous films of Gautham Menon this also has a special touch of him. The social aspect of the film is very realistic and it shows light to the dark side of the society where the underworld is reigning. They do anything for their advantage and even sell the organs of their dear one for making money. These greedy people in the society cannot be satisfied by anybody and sometimes they are getting political and legal support to spread their kingdom. If we are not vigorous enough to defend them, tomorrow we may be their victims.Ajith has proved his talent as an actor by his brilliant performance. His police attire is very suited to him and in emitonal scenes he has performed marvelous. This can be defined as a familyentertainer as it has love, revenge, action and suspense. IANS commented on the film as follows : 'Despite some tonal and length issues, Gautham impresses mostly in Yennai Arindhaal, and gives this tale of a police officer a much need emotional tug'.