In the fictitious city of Kaza, a warrior tribe is imprisoned, enslaved and tortured by a ruthless authoritarian Shudh Singh. Shamshera is a legend for his tribe who relentlessly fights for his tribe’s freedom and dignity.

Circumstances push a bus conductor behind the wheel and what follows is death and chaos.

A middle-aged couple, who get pregnant, much to the chagrin of their grown-up sons.

Four friends, who are unemployed, are in desperate need of money. When one of them, Azhagu, decides to kidnap his niece for ransom, they land in deep trouble.

Teja, a software engineer’s plans to take down corruption are inspired by real-life incidents that took place in 2014 at Kukapally, Hyderabad.

Rhythm, leading a happy life and about to have her second child, is traumatized by the nightmares in which she sees an umbrella man harming her lost son. She sets off on a dangerous journey, along with her trained dog, to unravel the secrets behind the nightmares and to protect her loved ones.

Thangapandi, a villager, falls in love with Mayakka, a pretty woman. But Thangapandi’s father wants him to marry Rasathi, a relative.

Shah Rukh Khan and Sharad Kapoor are the leaders of the two rival gangs. Aishwarya Rai is Shah Rukh Khan’s twin sister. Shah Rukh is in love with Priya Gill. Chandrachur Singh is Sharad Kapoor’s younger brother who studies in a catering college in Bombay. He comes to Goa to visit his brother and plans to go back and start a restaurant there. He sees Aishwarya and falls in love with her. Chandrachur gives up the idea of going back to Bombay and opens a bakery in Goa. When Shah Rukh comes to know about the romance between Aishwarya and Chandrachur, the fight between the gang turns more violent. How the conflict is resolved is the rest of the story.

The film opens in heaven with Brahma and Naradar, in conversation with Lord Shiva about the importance of time and fate. Lord Shiva has a computer base of all the people in the world. He picks Tamizh (Arulnidhi) from his database and explains in detail the importance of time and even one minute can change the life of an individual. Lord Shiva shows three different episodes in a person’s life, just by change of time and how the delay changes the whole situation. He illustrates his point through a kidnapping incident. Tamizh is asked to kidnap his lover Isabella (Ashrita Shetty) by her father’s arch-rival in business as she is about to get married in a church. Tamizh is assisted by two other cons Malar (Bindhu Madhavi) and Isakki (Baghavathi).

Two ambitious youngsters who make a living through a YouTube channel agree to perform a few tasks for a businessman when the latter offers them huge money.

Sachein (Vijay), a carefree and happy going guy joins a college in Ooty and falls for Shalini (Genelia) immediately on seeing her in first sight. Shalini studies in the same college as Sachein and is considered a popular and beautiful student, while also being a short tempered and arrogant girl with an upper-middle class status. Sachein comes to know all of this information about her from Arnold aka Ayyasamy (Vadivelu), who is a guy that studies in the college for about nine years and keeps studying there because he thinks that students should give their respect to their college professors, while also informing Sachein, that there are so many boys trying to impress her. This makes Sachein take a different route and he starts mocking Shalini in front of her, which irritates her. Slowly, they both become good friends, after Sachein saved her father in a bike accident. Santhanam (N. Santhanam), who is another student in the college also loves Shalini. But, he feels jealous seeing her and Sachein being good friends and decides to separate them. Santhanam writes in one of the walls of the college, that Sachein loves Shalini and this angers Shalini, as she misunderstands that only Sachein has done it. Shalini shouts at Sachein, but Sachein informs Shalini, that he is so outspoken and does not want to write in the college wall to convey his love, which makes Shalini realize her mistake.
But to her surprise, Sachein informs that, although he has not written it, but the content present on the wall is true which means that he is in love with Shalini. This again angers Shalini and she shouts at him that she considered him only as a good friend and that she wasn’t in love with him. Later, Shalini overhears Sachein challenging Santhanam that Shalini will convey her love within the next thirty days, as their college years will be completed by then. Shalini challenges Sachein that she will never fall in love with him.
Manju (Bipasha Basu) is also from the same college and she likes Sachein. Shalini gets jealous when she spots Sachein and Manju together often. But Manju informs Shalini that Sachein loves Shalini so much and asks her not to hide her feelings, as it is very evident that Shalini too likes Sachein. This makes Shalini realize her love towards Sachein. Sachein comes to know that Shalini’s parents have arranged a wedding for her and he meets Shalini on the last day of their college and says that he has lost the challenge and he will be leaving Ooty tomorrow. But Shalini hides her feelings towards Sachein and she plans to propose her love the next day as she wants to win the challenge by not conveying her love within the 30 days.
On the 31st day, Shalini is excited and goes to propose Sachein. But suddenly, she meets Gowtham (Raghuvaran) on the way, who is Sachein’s father. Gowtham is a billionaire, in which this fact makes the entire college be surprised that Sachein is the only son of a rich business tycoon, as Sachein always stays very simple and down to earth. Now Shalini feels bad, that if she proposes her love towards Sachein at this moment, then he might misunderstand that she decided to marry him after knowing that he is so rich and decides to stay calm. Sachein leaves to the Coimbatore International Airport in Coimbatore and Shalini also follows him. In the airport, Shalini could not control her emotions and proposes to Sachein. She also revealed that it is her ego that didn’t let her convey her love during the last thirty days. Sachein feels so happy and the couple are united.

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.