A young man gets into trouble in a foreign country.

Karuppusamy (Karan) is a happy-go-lucky guy who is a small-time contractor for cycle stands. When not at work, he kills time with his friends, taking part in their mimicry troupe where he is famous for his Rajini look-alike acts. Life goes on for the protagonist until Raasathi (Meenakshi) stumbles upon his life. An aspiring medical student, she relates Karuppusamy’s benevolence to her late mother’s. Soon after, they both become victims of the stupid cupid’s bait.
Although in love with the uncle, Karuppusamy insists that education should be her priority over romance. Besides, their love affair wreaks havoc in Raasathi’s upper caste family, which is known for cast prejudices.

Village boy make an affair with girl and they continue it even if they grownup. Accidentally boy happened to caught in jail. But after small time he escaped from the jail and come to the girl. The prison officials follow him and catch him. Girl also comes with them.

Aalwar (Ajith Kumar) is devoted to his mother (Geetha) and sister (Shwetha Bandekar). But the villainous elements Lal and Vincent Asokan kill the sister and mother due to an old dispute with Aalwar. Aalwar, with revenge ringing in his mind, ends up as a killer, even while working as a ward boy in a hospital. He rechristens himself as Shiva and is out to make a statement against the venal forces. He sees himself as some kind of avatar. In fact, he bumps off the baddies under the getup of Lord Rama and Lord Krishna. In the climax, Shiva turns up as Lord Narasimha and bumps off the last villain by placing him on his thighs and ripping apart his bowels and chest with his sharp claws. He successfully escapes from the police of Chennai and continues his process of “Dharma”.

Chandru (Arya) and Bigilu (Lal) are close friends. Chandru is an expert auto driver and racer, while Bigilu is a mechanic expert at customizing autos to run at the dream speed of 130 km/h. Pichchai aka Son of Gun (John Vijay) is the chief of a rival group who wants to outsmart the duo. Chandru, the race champ, tries to settle the dues for his auto through a race, which is almost a cakewalk for him. He and Bigilu challenge Son of Gun to a race, and a date is fixed. Bigilu, meanwhile, introduces Chandru to his sister, who runs a biriyani shop. Chandru is attracted to her daughter Rani (Pooja), and woos her. The affair grows stronger, and the two end up having sex. However, Chandru is not interested in long-term commitment and tells Rani, who curses him and moves away. On the D-day, Chandru is distracted by the memories of his love affair and loses the race and his auto. Later, Bigilu comes to know about the affair. The subplot of a smuggler’s search for missing pearls adds flavour to the proceedings. The unpredictable and fun-filled climax puts everything in order.

Qin, an accountant living in the UK, is targeted by the leader of a terrorist organisation. His only hope for survival is Vanguard, an elite security company.

Prabhakaran suffers from an alternative personality disorder and has killed many people. He meets Anitha who finds out about his condition.

Bairavaa (Kala Bhairava in Telugu version) (Vijay), a collection agent for ICCI Bank in Chennai (Vijayawada in Telugu version), is a righteous person who is willing to employ even violent means to get back the money from the debtors. During his manager’s daughter’s wedding, he comes across Malarvizhi (Keerthy Suresh), a medical student from Kallidaikurichi in Tirunelveli district (Vishakhapatnam in Telugu version), and immediately falls in love with her. Malar goes to the Koyambedu bus station to leave Chennai, where Bairavaa comes to propose his love, when he notices she is cornered by a group of thugs with intent to kill her, as she was allegedly involved in an attack on a union minister’s son Charan (Roshan Basheer). However, they retreat after receiving a call from Periyakannu alias PK (Jagapathi Babu) from Tirunelveli, who tells them not to harm her.

In a country where the government imposed a national curfew and a single mother, Nayanthara, notices eerie changes in her daughter’s behaviour. On getting virtual help from a pastor played by Anupam Kher who proposes an online exorcism.

Ganesh clashes with a trio of criminal brothers when he tips off the police about them. When they try to seek revenge, they realize he has a score to settle with them too.

Contract killer AKP (R. Amarendran) and his two sidekicks (one of which is a driver that does a full 360-degree flip from the car window and opens the door, allowing AKP to exit from the passenger seat) arrive at a club. The group walks into the club and starts showing their power before reaching their table. A finger with a ring is placed on the table. Pandian (Vishnu Vishal) considers himself unlucky. All his efforts to come up in life end on wrong side. He approaches AKP and urges to kill him. A shocked AKP is initially hesitant. Soon, he decides to give him some time. Hence, he gives Pandian some money and entrusts him with a job of turning a human bomb, a job that he should execute within 20 days. Life changes for Pandian after he meets Vaishnavi (Piaa Bajpai). They fall in love with each other. When Pandian decides to go tell AKP that he would rather prefer to live, he gets a rude shock: AKP and his men are found murdered. The blame falls on Pandian. Meanwhile, Vaishnavi gets kidnapped by a gang for a big deal. It is chaos and confusion everywhere, before Pandian sets things right.

Rahul embarks on a journey to a small town in Tamil Nadu to fulfill the last wish of his grandfather: to have his ashes immersed in the Holy water of Rameshwaram. En route, he meets a woman hailing from a unique family down South. As they find love through this journey in the exuberant lands of South India, an unanticipated drive awaits them.