Kathir (Bobby Simha) has an interest for Anbu (Tanya Ravichandran), but due to family situations, she gets hitched to Karuppan (Vijay Sethupathi). What does Kathir do, to separate Karuppan and Anbu, and does he finally get to marry Anbu?

While returning from a gang violence, twelve local gangsters are baffled to find a stranger in their van. His presence and actions evokes suspicion. What will happen next?

An NRI returns to his village with his family with a mission to better the lives of the village natives. But in a sudden turn of events, the NRI is left helpless, as a fellow villager steals the money and flees. The villager is now the head of a huge business empire, which is a result of his corrupt activities. The NRI returns, this time for vengeance.

Kannan (Vimal), Ayyavu (Bharani), Rajamani (Gaurav Narayanan), and Mariappan (Nishanth) are four friends who live their lives in their own way in Madurai. They are callous youths who go hammer and tongs to make both ends meet. Kannan, a wedding videographer, comes across his childhood friend Radha (Anjali), who is a compere in a local cable TV channel, and love blossoms. However, one event changes the course of their life. Kannan bashes a youth for taking obscene video clippings of a girl and blackmailing her with ulterior motive. The youth’s father (Kamala theatre owner Raju) finds out the men behind the attack on his son. He hatches a conspiracy and ensures that the friends themselves turn foes for each other. In the meantime, it is time for Kannan to tie the knot with Radha. Did the baddie succeed in his mission is the crux of the story.

Dhinakar (Jai Akash), hailing from a middle-class family, and Nancy (Madhumitha), a software engineer and sole breadwinner for her family, are neighbors who are in love with each other. However, their dreams of getting married are shattered when their self-centered parents decide on proposals of their own choice. Notwithstanding the overbearing parental pressures, Nancy marries Victor (Prakash Raj), a multimillionaire businessman, while Dhinakar marries his cousin – but not before the lead pair enters into a sly pact. Dhinakar and Nancy contrive to marry the spouses chosen by their parents, only to officially dissolve their unhappy unions later and thereby pave way to their union. After a sequence of events, Nancy successfully convinces Victor about her unreserved enthusiasm for her past love, gets her divorce, and takes the first step towards making a fresh start, but events overtake her in an unexpected final act.

Ko 2 revolves around a man who kidnaps the chief minister of the state and the mystery over why he does so.

A reputed college that is now on the verge of closing due to the privatization of the education system and political reasons. The college Principal fights against privatization and the protagonist supports his vision.

A normal man from a middle-class family questioning the authorities for abusing their powers.

Rowdhiran, an honest and brawny police officer hold a vendetta against a group of criminals. When the crime kingpin Badri hatches a plan to eliminate him, Rowdhiran decides to fight back.

The film begins with Angela Kathamuthu (Rohini), a civil Rights activist and her cameraman in Madras Central Prison interviewing prisoners serving life imprisonment and awaiting the death sentence, for her PhD thesis in law, against the death penalty. When she enters the prison for the second day, there is a sit-in protest, demanding the reason for the sudden death of Death penalty convict Narayanan, who secretly told Angela, the previous day, about immoral practices of Deputy-Jailor. She meets Kothala Thevar (Pasupathy) who is serving a life sentence, for assisting in the murder of 24 people in District of Theni. He tells his version of the story that led to his conviction.
According to him the root cause of the problem is Virumaandi Thevar (Kamal Haasan), a happy-go-lucky rogue. Virumaandi has a large part of the land in CK Patti, their village, and has high underground water levels, which is eyed by every other farmer. Virumaandi lost his mother at 4, and was taken to Chennai, and later to Singapore by his dad Thavasi thevar. Even after his dad dies he lived there, but at age of 25 Virumaandi was convicted for a small crime,whipped and exiled back to India.

A man discovers that his hallucinations are actually visions from past lives.

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.