Two sons of a labour leader, who is framed by his employers, grow up amidst great difficulties. The elder son turns into a don while the younger, protected by his brother and mother, becomes a cop.

Revolving around undertrial prisoners who languish in jails while awaiting a judgement, the movie follows Surya Prakash who gets caught in a similar situation while being on trial for the murder of a powerful man.

An undercover cop goes to find and kill a crime lord. However, when he realizes that the crime lord’s business intentions are good and he has his own challenges, he needs to decide his next step and help the crime lord change his life.

The movie begins with an orphan Ganesh (Srikanth) coming in search of a job at a petrol bunk in ECR. He manages to win the goodwill of the petrol bunk owner and gets a job there. Enters Priya (Bhavana), an arrogant college student. He throws a challenge to his friends to make Priya fall for him. Meanwhile, Priya’s brother Vetri (Suresh), a leading criminal lawyer in the city, comes to know of Ganesh’s moves and tries to thwart his plans.

Simha is a courier delivery boy who gets peanuts as salary despite putting in a lot of hard work. As Babu gets frustrated with his job, his friend and roommate Satya shows him how to get ‘tips’ from the greedy customer. Babu is reluctant, but tries to pull it off and his very first attempt goes awry. He is now left in a deep mess and needs to clean it up as soon as possible. But little does he know that what awaits on the other side.

Aryan is a narcotics officer entitled with making the city a drug free zone. One day, people very close to Aryan get murdered one by one. He feels that this might be the work of the mastermind who is behind the entire distribution network.

An undercover cop goes into big world where a place is taken over by a don, where his safety may be compromised

Thigar (Tamil: திகார்) is a Tamil-language Action film which is Directed by Perarasu performed by Mukundan, Akanksha Puri, Riyaz Khan, Devan, R Parthiban, Suman, Priyanka on 21st Aug, 2015.

Thirupathi (Ajith Kumar) is a straightforward young man who leads a happy life with his parents and younger sister. He happens to meet Priya (Sadha), and both fall for each other. Thirupathi’s sister is pregnant, and at the time of delivery, he takes her to a hospital. The doctor there expects bribe, but when it is not forthcoming, he neglects his duty; therefore, Thirupathi’s sister dies. Thirupathi comes to know that this is not the first instance in the hospital, and the doctor is his best friend Soori’s (Riyaz Khan) brother (Sampath Raj). When Thirupathi goes out to get Soori’s brother, Soori and his father do all that they can to protect him from Thirupathi. How Thirupathi gets his revenge on the people responsible for his sister’s death forms the rest of the movie.

A retiring police officer remembers a thrilling case of his life which is not recorded in any case files.

Amavasai (Sathyaraj), homeless but egotistical, gets acquainted to politician Manimaran, then MLA of the Palladam constituency, near Tirupur (Manivannan). Amavasai helps Mani with some petty tasks during election campaign and meetings. Amavasai grows into a well acclaimed helper and first associate for Mani. Meanwhile, Amavasai falls in love with Thayamma (Kasthuri) and one day he gives her some drug making her groggy and then rapes her. Mani instructs Amavasai to stand for MLA election as independent candidate in the upcoming general election with his support as Mani was not given his party ticket. Amavasai wins by a huge margin and becomes the MLA. He forgets his relationship with Thayamma and rejects her pregnancy and child. Thayamma and her parents move out of that village to avoid humiliation. Soon Thayamma gives birth to a boy and dies. Amavasai forgets Mani’s help and forces him in a role under him. He changes his name to Nagaraja Cholan for gaining social status. He marries the only daughter of the rich local landlord, Sivakami (Sujatha) and even cheats him of his palace. Over the years, Amavasai grows into a highly influential and corrupt politician with high criminal affluence. He builds a strong political empire through shortcuts. His ego and pride to remain in power make him kill many. He wins and remains as MLA of Palladam in all the general elections for next 20 years.
Now, Amavasai’s son Thangavel (also Sathyaraj) through Thayamma comes out as a new police constable, who is deputed in Amavasai’s constituency. Thangavel is betrothed to a beautiful +2 studying girl Kuyili. They both fall in love. But during the official wedding engagement, a dispute arises over the people asking about his father’s identity and the wedding is cancelled. He asks his grandparents about his father, but they remain silent. So he accuses his mother to be a slut, and his granddad bashes him and tells all about Ammavasai. Thangavel now comes to know of his real father and about his betrayal of his mother and also his corrupt practices. The state assembly is about to be dissolved prior to general elections. But the ruling party leadership does not wish to give a seat to Amavasai again, as he has minimal chances of winning, due to his corruption, illegal activities as MLA. So he invokes a cruel caste riot in his constituency and pretends to stop it. So he is given the ticket again. Thangavel is posted as riot police head constable to stop riots and to protect Ammavasai. He saves Ammavasai from an assassination attempt. He then goes to Ammavasai’s house and reveals his identity. He challenges his father that he will stop all of his illegal activities. Then Thangavel gets posted as Law and Order Sub-Inspector in the same area. The story further revolves around how Amavasai and Thangavel proceed in their battle and finally who wins the battle.

Advocate Mukundan Unni, played by Vineeth Sreenivasan wants to be successful and leaves no stone unturned to achieve growth, prosperity, and respect. But this steadfast nature aided with an ample dose of greed comes with a cost.