Though he works as a hostel warden, there is more to Kaali than meets the eye. Things take an interesting turn when Kaali’s path crosses with a group of dreaded gangsters.

Jagannathan (Sarath Kumar), fondly known as Jaggubhai, is a tough, upright, straightforward Indian police officer with sharp methods. His way of dealing with the criminals strikes terror in the underground world. Jaggubhai is sent to Australia on an important mission to deal with antisocial elements there. In Australia, he meets Ilavarasi (Srisha), and they fall in love with each other. Jaggubhai fails in his mission for which he came to Australia, and the brief romance with Ilavarasi ends abruptly. Jaggubhai returns to India as a dejected officer, failing in his official duty and personal life. Fate had something in store for him. 20 years later, or as he says it 21 years later, he gets a call from Australia stating Ilavarasi is dead and has left him a will. He reaches Australia and is shocked to know the brief encounter with Ilavarasi had resulted in a daughter Monisha (Shriya Saran), now a teenager.

A conman tries to save an innocent girl from the clutches of a womanizer after realizing that he had fallen in love with her.

Gemini, a gangster, falls for Manisha who reciprocates his love without knowing his truth. After getting arrested and completing his term, he tries to convince his lover that he is a changed man.

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.

Saravana (Silambarasan) and Krishna (Krishna) are close buddies in college. Saravana sees a video tape of Krishna’s sister Sadhana (Jyothika) studying in London and falls in love with her. So to meet her, Saravana goes with Krishna to a village near Tirunelveli where he finds that there is a bloody war going on between two warring caste groups. Krishna’s brother Soundarapandi (Prakash Raj) his wife and Krishna are killed by the rival group of Dorai Singam. However Saravana saves Sadhana and takes her to Chennai. Initially Sadhana is not accepted by Saravana’s large family but slowly when they come to know about her background they support and love her. The rest of the film is how Saravana tries to help Sadhana to go back to London, and in the process eliminates the entire gang of Dorai Singam single-handedly.

The film has a deceptively casual beginning: a middle-class family consisting of parents (Kuyili and Ponvannan), a daughter and twin sons—Shiva (Jiiva), who works in a fish-market and Ashok Kumar (Jiiva, again), who is a lawyer. Shiva is a typical hero who attacks baddies with his bare fists; a rugged man who’ll brook no injustice. Devout Ashok’s goodness is a facade that hides his evil womanizing nature. Both have romantic interests; Shweta (Divya Spandana) is Shiva’s long-time sweetheart. Ashok’s life is one long, lustful journey as he charms every woman he meets into his bed. This is where the tale picks up. Shiva can do nothing right as far as his parents are concerned; they trust the Ashok and always misunderstand Shiva’s righteous anger and his every attempt to show up his Machiavellian twin fails. Ashok, on the other hand, is pally with the local goons and uses his brains to assist them in their nefarious activities. Matters come to a head when Ashok lures a girl called Gayatri (Honey Rose) with false pretences, ends up in having sex with her and eventually causing her to suicide when he learns that she becomes pregnant. Shiva lodges a complaint on Ashok but this fails as he couldn’t prove that whether it was him or Ashok who did the crime due to their faces. Shiva comes to know that a security man who saw Ashok pushing Gayatri from the roof. He tells the security man to meet him in the evening. But he is killed by Ashok as the security man saw him in the evening and thought him as Shiva. Shiva comes to know this thus begins a cat-and-mouse game between the siblings. This causes anger to the younger one and he tries to kill his elder brother. He employs a gang to kill his elder brother. Eventually the elder brother knows this plot and confronts him. During the fight the younger brother get killed by his own man. The elder brother walks with his father who for the first time accepts him.

A tiny orphan girl writes a letter to God requesting new clothes. Mr. Jothilingam, a businessman, received the letter at random and sends it to her. It soon goes viral and people start sending letters to God. Uma, Senthooran`s daughter, writes a letter to God to save her family from evil. Will God grant her request?

Natasha Romanoff confronts the darker parts of her ledger when a dangerous conspiracy with ties to her past arises.

An unemployed young man kidnaps and holds captive a criminal who is also the brother of a powerful law minister who was responsible for the death of three students.

When his father is murdered by an unknown gang, Natesan sets out to find the killers. But, he is shocked to learn that his father’s death has a connection with the murder of his childhood friend.

A happy-go-lucky guy lands in trouble after he locks horns with an egoistic lady. Both of them try to outsmart each other during various situations.