The story is set in a rural area around Madurai, in the village called Paruthiyur, which still practices caste segregation as a result of the controversial Criminal Tribes Act imposed by the British colonists, where members of impoverished communities are stereotyped as generational criminals.
Paruthiveeran (Karthi) is a country brash whose inter-caste parents were ostracized by the villagers since his higher caste father married his lower caste mother. After his parents’ death, Paruthiveeran was mostly raised by his doting paternal uncle Chevvaazhai (Saravanan) who pampers and accompanies him in every misbehavior to keep him happy. Having grown up among his mother’s people, he is often arrested for petty crimes. His one ambition in life is to gain enough notoriety to be on TV news and to be thrown into Madras Jail. He often bullies Paruthiyur villagers for money and fun.

Thulasi takes Meera to a hill station, where the girl starts behaving mysteriously. Thulasi soon learns that Meera is possessed by a spirit. The spirit was of a girl’s who once resided in the hotel with her father. Once her father gets a lump amount as he had a profit,but his friend gets to know and he blackmails him by saying that he kidnapped his daughter and her father unknowingly gives his friend and he doesn’t who the guy was blackmailing he tells this to his friend without knowing he was the one who blackmailed him. He says to his friend that he us going to lodge a complaint his friend suggests him not to but the father proceeds,while having lunch with his only daughter unknown to him and his daughter the food is mixed with poison and his friend brings a local gang and makes the murder look like a suicide,and the spirit narrates to thulasi in the midst thulasi learns that if the spirit stays in her daughter’s body her daughter will survive so she pleads the spirit stay and even the spirit agrees but the guy learns this he goes to kill thulasi and her child but instead he slips from the cliff and the spirit apologies as this was her wish and thus leaves thulasi’s body and thulasi wants to see her daughter live so she calls the doctor and requests him to take her daughter along with him to India and leave her daughter in her hometown and says she will soon leave all and commits suicide so that as a spirit she can enter her body in order to save her from her disease.

College classmates Ravi and Sandhya are in love with each other. But Sandhya’s cruel stepmother wants to marry her off to her uncle, a rowdy and will go to any extent to stop them.

A mysterious man along with a young computer hacker tries to unveil a major government conspiracy which resulted in several bloody deaths.

A frustrated and conflicted teenager arrives at a new high school to discover an underground fight club, and meets a classmate who begins to coerce him into fighting.

Based by the life of ISRO Scientist Nambi Narayanan who was falsely accused of being a spy and arrested in 1994. Though free, he is still fighting for justice, with those police officials alleged to have falsely implicated him, still free.

An under-fire boxing coach, Prabhu is transferred from Hisar in Haryana to Chennai as his bosses at the Boxing Council do not like his disrespectful rule-breaking unconventional ways. In Chennai, he chances upon the raw fighting talent of Madhi, the sibling of aspiring boxer Lakshmi. He decides to put all his effort to tame Madhie and get her to shine but he is repeatedly put off by her playfulness & distrust.

Ray Garrison, a slain soldier, is re-animated with superpowers.

A sub-inspector trainee sets out on a journey to track an unsolved, 16-year-old case. But little does he know that fate and destiny will put him on an exhilarating ride.

Shekarankutty is a happily married man who is suspected of carrying out criminal activities by the police. After getting released from the station, he realises that some gangsters are after him.

When giri marry’s her sister to a man in chennai and comes to visit the city his friend his brutally murdered by gangsters. He decides to murder the three gangsters ruling chennai to make the city a better place.

The underworld don Billa (Ajith Kumar), featured on Interpol’s criminal list, is hiding and operating out of Malaysia. DSP Jayaprakash (Prabhu) has spent the last few years looking for Billa, leaving behind a life in India.
During a chase with the police, Billa is severely wounded after an accident and dies in front of the DSP. The DSP then secretly holds a burial of Billa. Interpol officer Gokulnath (Rahman) is assigned to work with DSP Jayaprakash to capture elusive Billa as no-one knows of Billa’s death. DSP Jayaprakash keeps the death of Billa as a secret even from his fellow officers, and tracks down a look-alike called Saravana Velu (Ajith Kumar), a lowly pick-pocket. He asks Velu to infiltrate Billa’s gang by pretending to be Billa. In return he will make sure that the child Velu adopted, Karan, gets a proper education.