After his grandfather falls victim to an elaborate scam, the life of a young man is turned upside down.

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?

After having a bitter disagreement with his friend and manager Jehangir Khan (Kay Kay Menon) about the latter’s blatant abuse of power and influence to win a dance competition called “Dance Dil Se” for his team JDC (Jehangir Dance Company), the choreographer of the dance company, Vishnu (Prabhu Deva), quits his job. At first he wants to return home to Chennai, but his friend Gopi (Ganesh Acharya) asks him to stay in Mumbai with him. Vishnu observes several young men using parkour to evade the police. They turn out to be proteges of Gopi, but despite their obvious raw talent, they lack the discipline required to become serious artists; they demonstrate this disastrously at a local event for a politician, wherein they set the stage on fire. After witnessing the youngsters showing their dancing abilities at Ganpati Chaturthi against their equally talented rival neighborhood, Vishnu decides to start his own dance group with them ultimately preparing them to compete in “Dance Dil Se”. However, the lack of discipline among the dancers and rivalry between the two factions in the group led by D (Dharmesh Yelande) and Rocky (Salman Yusuff Khan) leads to multiple creative and emotional blocks. Initially, only Rocky and his gang are willing to attend the free classes, but soon D and his friends gravitate towards the studio.

Mosakutty an orphan and uneducated involves himself in highway robbery along with his close aide Sendru. A local bigwig Virumandi misuses Mosakutty right from his young age for his personal gains and takes away the booty and pay the latter only pittance. Meanwhile, a certain unexpected incident leads Kayal, the only daughter of Virumandi who is a student of a local college fall for Mosakutty. However, as expected this didn’t go well with Virumandi who tries to kill Mosakutty through his henchmen. But he survives and when he returns to the village, he could not find Kayal at her place. The rest is whether Mosakutty succeeds in his search for his lover or not.

Set against the backdrop of a village near Kodaikanal, Vettai Naai revolves around Sekar (RK Suresh), a small-time rowdy, who seeks redemption post his marriage.

Simhachalam, a watchman is sentenced to death for stealing a precious diamond. However, a group of cowboys save Simhachalam and offer him the diamond, only on a condition that he fulfills a promise.

A neurosurgeon, who has a phobia for sound, kills anyone who makes noise. He ends up killing his wife and then targets his son.

Advocate Mukundan Unni, played by Vineeth Sreenivasan wants to be successful and leaves no stone unturned to achieve growth, prosperity, and respect. But this steadfast nature aided with an ample dose of greed comes with a cost.

The film deals with the social stigma associated with a handicapped girl in a rural milieu. Murali is a potter by profession. He has a sister, who is born dumb. Murali has to struggle a lot as the handicraft industry is a dying industry and a good amount of money is taken away by his father (Manivannan), who is a drunkard and a gambler. But, he tries to hide his sorrows by having fun with his sister and servant (Vadivelu), who is also his trusted friend. He is in love with his neighbour (Meena), a weaver. He wants to get his sister married to a noble man. But many reject her as she is dumb. Finally, one man agrees to marry his sister but on condition that Muralimust offer dowry. Murali then sells many things dearer to him to get money for the dowry. But, that money is taken away by his father and the marriage falls through. Yet Vadivelu offers to marry his sister without asking dowry and Murali goes home along with Vadiveluto convey this happy news to his sister. But it was too late as the sister commits suicide. Murali as a penance decides to marry a handicapped girl.

The story revolves teen romance between students, which is dismissed as infatuation by their respective parents. Then, in a turn of events, the girl achieves her dream of becoming a doctor. The boy was a loser. They are meeting again after many years. The boy turned his failure into success without knowing that the same girl helped him to achieve in his career.

As the film begins, Arivudai Nambi (Vijay Antony) is killed by his rivals, who fear their position would be threatened if he were to make it big in politics. Decades later, his son Tamilarasan (Vijay Antony) is accidentally drawn into the murky world of behind-the-screens politicking when he is jailed due to admitting to have hit someone on the road. Two gangster-type baddies with political backing become his enemies, and this in turn brings him closer to Karunakaran (Thiagarajan), a political heavyweight who has his own ambitions. A minister sees Tamilarasan as an enemy because he sees in him Nambi, whom he had conspired to murder. Machinations and counter-machinations grow with the growing political ambitions of Tamilarasan, whose rivals won’t let him and his friend Anjana (Miya) live in peace. Tamilarasan boldly faces all this in his game of one-upmanship and realizes his dream of growing big in politics.

A stranger enters the life of a family that has been suffering in poverty for years. What follows are the events that make their lives even more miserable.