Shivshankar, a person who uses a wheelchair, tries to make his son, Vishnu, aware of his responsibilities but to no avail. Things take a turn for the worse after Vishnu tries to rape a girl.

Ashok (Raghava Lawrence) is a good-for-nothing youth whose only aim is to enjoy life by drinking and dancing the night away with his friends. To this end, he even swindles his father (Pyramid Natarajan) regularly off of his hard earned money. He meets Priya (Anu Prabhakar) and soon her beauty and outlook on life make him fall for her. When he proposes to her, threatening to kill himself if she doesn’t accept his love, she promises that she would accept him if he makes a name for himself. Spurred by her words, Ashok starts working hard. But what he doesn’t know is that Priya is already in love with Arvind (Kunal) and that her promise to him was just to prevent him from taking the extreme step on her rejection.

A wealthy man is known and revered for his just nature all over the region. His brother is married to an arrogant girl while there are others who are continuously plotting against this family.

The story of Karthikeyanum Kanamal Pona Kadhaliyum is about a youngster (Deepak) whose lover deserts him and goes away. He befriends another girl (a traffic constable). The rest of the movie is the aftermath of their friendship and other incidents.

Udhaya and Vasanthi love each other, but when he learns that she is engaged to another, he moves to another city. Here he is framed for a crime; Vasanthi finds out and sets out to prove his innocence.

Vijay Kumar (Vijay) is an honest and sincere DCP of Chennai. He takes up a case involving the rape and subsequent death of an IT employee Raji. He finds out that the rapist is Ashwin, the son of Labour Minister Vanamaamalai (J. Mahendran). Vijay kills Ashwin and reveals himself as the murderer to Vanamaamalai, who swears to take revenge on him for killing his son. Meanwhile, Vijay falls in love with a medical student Mithra (Samantha Ruth Prabhu) and both eventually get married and lead a happy life. But, Vijay’s happiness is short-lived as Vanamaamalai, his younger brother Ratnam (Azhagam Perumal) and their henchmen barge into his house one night and kill Mithra and Vijay’s mother (Raadhika). They even brutally assault Vijay and attempt to drown Vijay’s baby daughter Niveditha aka Nivi in the bathtub. The dying Mithra manages to rescue Nivi and asks Vijay to take care of her, but not before making him promise that he will quit the police and be a peaceful and loving father to Nivi, following which she dies in Vijay’s arms. Vijay fakes his death, changes his name to Joseph Kuruvilla, maintains a low profile and moves to Kerala with Nivi and his constable friend Rajendran (Rajendran) to protect Nivi from Vanamaamalai and his gang.

Isakki goes on a business trip to Madurai with his employer. There he meets Nandini and falls for her. Nandini`s father is very over-protective. One day he comes to know about their relationship and Isakki`s life falls in trouble.

For astrological reasons, a father (Azhagan Thamizhmani) has to leave his son Rudran (Arya) in Kashi for 14 years. 14 years later, repenting his act, he goes with his daughter in search of the boy. He finds him there but is shocked to learn he has become an Aghori, a fierce and tigerish sadhu. He brings him back to Tamil Nadu as he had promised the boy’s mother. The story takes a turn here and introduces us to the world of physically and mentally challenged beggars, a world controlled by the cruel Thandavan (Rajendran). Hamsavalli (Pooja Umashankar) is a blind girl who was with a group of street actors, but on one day was forcefully separated from her troupe and made to join the beggars controlled by Thandavan. Soon, she becomes a victim of his cruelty. Meanwhile, Rudran leaves his house to find his place in a small cave near a hill temple. One day, Rudran’s mother comes to plead with him to come back to their house but is unsuccessful. Hamsavalli tries to convince Rudran to return to his house, but fails. Thandavan makes a deal with another man of the same profession to sell some of his beggars to him for a tidy profit. He forcefully takes the beggars away and returns with a man with a deformed face trying to force Hamsavalli to marry him for 10 lakhs worth of money. Thandavan orders his men to bring Hamsavalli, but they take her to Rudran. Rudran kills the new man and is arrested, but is soon let go. This agitates Thandavan. Hamsavalli seeks protection and solace from the church, but Thandavan finds her and tortures her as she refused to marry the deformed man, thus making him lose out on a good amount of money. Thandavan beats up Hamsavalli. Rudran is shown wounded in his forehead, with blood oozing out. In a flashback, Thandavan appears face-to-face against Rudran and fights him, the result of the fight being the wound. Rudran kills Thandavan. Hamsavalli finds her way to Rudran and beseeches him to free her from her misery and the earthly life. Rudran slashes her throat and performs her last rites. In the final scene of the movie, Rudran returns to his guru in Kashi.

Gokulan sees an attractive girl in his dream and is determined to find her. However, his father gets him engaged to another girl. Complications arise when he meets the woman of his dream soon after.

Three young friends struggle to make it big in the real world.

Sridhar Vasudevan (R. Madhavan) is a middle-class family man employed in a bank. He is very idealistic, principled, and recognizes a deep sense of belonging with the society he is part of. He gets annoyed and flustered by illegal and semi-legal activities happening around him. His wife Vatsala (Sangeetha) persistently demands he should be more ‘flexible’ and make more money, but Sridhar does not accede. He endures the illegal and semi-legal activities around him because he anticipates a change in the mindsets of people. He feels that over time, they will become more honest, socially aware and willing to make small personal sacrifices for the greater good of all (like him).
Vatsala is a typical middle-class housewife and a caring mother of two children, Varsha and Varun. Societal imperfections and related problems matter very little to her. She is more concerned about her reactive husband, thinking about ways to save him from the effects of his angry outbursts and to steer him away from his impractical thoughts and deeds.

The college campus in Kollam has its own share of problems created by two rival groups. Meanwhile, two unfortunate deaths happen on the premises, which shake the entire college. Edward Livingstone, an English Professor, and he’s all set to bring a proper order to the college campus.