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.

Arivanandham is a man who runs a shop. He kidnaps three government officials and tells the press his name is Citizen by changing his appearance to their jobs. Meanwhile, CBI Officer Sarojini is given the case of finding the officials and capturing Citizen. She finds evidence that they link to a village called Atthipatti. She goes to a place, where they keep old maps of India. She notices that from 1970-80, the village was missing. She then inquires a Church Father who knows about Atthipatti. He gives them a box full of evidence about the village. She then discovers that the people of Atthipatti are under a old river, which is a construction site. She orders her men to dig it up, and they find corpses. Sarojini finds links to Arivadhanam but cannot identify him. Arivadhanam kidnaps the third man but is stuck in traffic. Sarojini is also in traffic. To clear the traffic, Arivadhanam creates a problem and sorts it out by donning a traffic inspector’s identity. Sarojini drops her handkerchief while in her car, then Arivadhanam swaps it with a paper and gives it to her. She accepts it, then Arivadhanam phones her and tells her she met with Citizen. Outraged, Sarojini decides to ambush his hideout. They track down his location, but he is nowhere to be found. They find masks, computers, and newspaper cuttings. Sarojini finds Arivadhanam in a mosque and arrests him. Arivadhanam is taken to court and is inquired about why he kidnapped the officials. He retells his memory.

An aspiring police officer decides to serve the country in spite of being rejected for the job. He gets into an argument with Rahul, the wayward son of an honest cop.

Rishi, a millionaire businessman, returns to his homeland, where he becomes the champion of poor and downtrodden farmers.

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.

The story opens in Karaikudi, where Gouravam (Santhanam) is a well-known traditional cook making a living undertaking orders for marriage functions. He is forced into taking an order for a local goon’s wedding and is not happy about it. Saravanan (Vishal) and his four friends, who come to work for him as junior cooks, offer to help him but land him in even greater trouble and they are forced to flee from Karaikudi. The story shifts to Trichy, where Saravanan and his friends have grand plans of opening a restaurant with the help of Gouravam and his money. Here, just like in Malaikottai, it is love at first sight for Saravanan when he sees Aishwarya (Aishwarya Arjun). Things go wrong and as their love deepens we are introduced to two rival gangs, Kasi and Manaa along with a ‘Madurai Anachi’ who are constantly at each other’s throat. In a conflict Manaa forces Aishwarya to marry him and in the process of saving his love Saravanan reveals his past. Saravanan is a jail return who had killed 3 people in Madurai including Anachi’s only son to avenge the murder of an orphan kid whom Saravanan considers as his little sister. The rest of the story is how Saravanan protects his love and kill the dark forces.

Rajalakshmi raises Ramu, an orphan, as her own son who in turn always protects his foster family. However, he must stop his malicious foster brothers from marrying off their real sister to a gangster.

Udhay plays an affectionate son, who looks to stay away from trouble, while Sathyaraj, who believes in questioning injustice, plays Udhay’s dad in this film. It is about how a father-son duo gets trapped in a situation and how they get out of it.Amy plays the role of a bubbly Brahmin college girl in the film and Chachu plays her grandmother in it, while Vikranth playing the villain.

The film explores the dark underbelly of Thiruvananthapuram where rival goondas clash in cold-blooded gang wars to gain dominion over the city’s suburbs and slums.

Ganga (Jyothika) lives in a village and secures state second rank in XII board exams. Although she wishes to pursue engineering, her father Veluthambi (Murali) plans to get her married to Adhithya aka Adhi (Madhavan) who also hails from the same village. Adhi is a fun loving person who has just completed his law degree and prefers to enjoy his bachelor life and is not interested in marriage.
Adhi comes to the village and meets Ganga trying to convey his feelings. To his surprise, Ganga also is not interested in marriage as she wants to study engineering. Both of them decide to somehow stop the wedding by creating some problem before the wedding but all their effors go in vain as both the families get even closer following their plans.

Two juvenile convicts escape from prison – one for revenge and the other for romance. With a ruthless warden determined to catch them, do they succeed?

Jeevan’s father helps Annachi after she is cheated by his brother. He soon becomes the object of affection of Annachi’s daughter, but he turns her down to pursue other goals in life.