The film revolves around the life of two people with contrasting lifestyles. Karthik (Prasanna) is a wealthy guy, while Kasi (Vimal) is a lower middle class guy who works in a supermarket. Karthik is about to be married to Pavithra (Iniya), but he is also in love with his colleague Monica (Oviya). One day, Karthik loses his phone, which has videos of him and Monica making love. The phone accidentally reaches Kasi’s hands. The rest of the plot involves the cunning tricks used by Karthik to get back his phone.

One day, in his rush to grab hold of a falling kite, Ramesh( Adharvaa) bumps into Priya ( Samantha ), a fashion technology student. In the process, her pendrive falls into his pocket, without either of them realising. The pendrive consists of six months’ worth of Priya’s project work, and she needed to submit it. Asking the principal for an extension, Priya searches for Ramesh, and finally manages to find him. She thoroughly humiliates him, while he denies the pendrive is with him. After college one day, Ramesh and his friends see Priya on the road. They tease her and infuriate her, eventually leading to her slapping him. A few days later, while Ramesh’s mother is washing his pants, she finds the pendrive. Ramesh realises the fault is his, and immediately goes to return the pendrive. Priya is impressed with his attitude, as she expected him to keep the pendrive because she slapped him. This marks the beginning of their friendship. As time passes, Priya and Ramesh become closer. Urged by his friends, Ramesh goes to tell Priya that he loves her. However, while asking for money from his friend Kumar ( Karunaas ), he accidentally takes the condom from Kumar’s pocket as well. When Ramesh sees the condom, he tries to hide it from Priya. However, just then, the police arrives, and he is forced to drop it. Priya sees the condom and is shocked. She denies knowing Ramesh, resulting in him being taken to the police station. Ramesh is finally brought home, and refuses to talk to Priya. His friends try to talk to her, but she does not listen. However, when her friend tells her how much Ramesh actually loves her, she is finally convinced. Ramesh had actually bought Priya a grain of rice with her name written on it. Priya thus realises she also loves Ramesh and begins trying to get him to accept her. However, he refuses to accept her as he believes she thinks he is of lower-class. In a subplot, Ramesh witnesses a murder committed by the local gangster Ravi ( Prasanna ). In shock, Ramesh runs away, and eventually trips over an elderly man. The next day, Ravi sends Ramesh to Gujarat as he fears for his safety. A few days later, the deceased’s son appears in the Commissioner’s office with the elderly man, who claims he can identify the boy who ran into him. Apparently, the deceased is an ex-MLA, and the Commissioner decides to deal with the matter himself. The Inspector warns Ravi and his gang, implying to them that the witness should be killed. Meanwhile, Priya receives a call from her mother telling her that her father is going for surgery and asks her to return to the US. Priya tells Ramesh that she will be waiting at the bus stop the next day, at the same place where they first met. If he loves her, he would come. The next day, eventually being coaxed by Kumar, Ramesh goes to see her. On the way, Ravi tries to kill him, but his conscience gets the better of him. However, he also knows there is another goon in the same bus as Priya waiting to kill Ramesh. Ramesh manages to stand in front of Priya, and they hold hands for a while. Ramesh then slips off the steps and is run over by the bus. His mother, friends and Priya mourn his death while the goon who was supposed to kill him slips away. The movie ends with Priya in a car, looking at the grain of rice that has her name on it which Ramesh presented to her for her birthday.

Selvam (Bobby Simha) is a young police officer who is often transferred from one place to another because of his honesty and sincerity towards his duty as a law enforcer. He rents a room in the same apartment complex as a college student, Agalya (Amala Paul). They both fall in love and get married after he gets transferred back to their hometown in Chennai.

After finishing a successful meeting with his movie producers in Bangalore, Nanda, a jingles composer catches the highway to Chennai. On his way his car breaks down and he hitchhikes with Arjun, a businessman’s son on his way to the same destination. During their journey together they discuss their personal lives till Arjun proposes a deal; a deal that is marked with murder but promises to better their personal lives. However this deal does not work in Nanda’s favor and he soon finds himself in deeper complications.

The Movie deals with two best friends Gayatri and Rajesh and the conflict that arose when in gayatri’s Sisters wedding the groom gets attracted towards Gayatri and vows to marry her instead of her sister Savitri.

Raghu, a software engineer, faces several challenges in his arranged marriage as he suffers from erectile dysfunction and tries to find a solution to his problem.

Sathyamoorthy, an orphan, vents his feelings in a poem but doesn’t submit it to a magazine. Surprisingly he reads a poem, penned by a girl, in a magazine that is quite similar to what he has written. He is amused and sets off to find the girl. He finds that she is a college student and living in Kutralam. He writes a letter and gets a reply. The friendship develops and it gradually evolves into love.
One fine day he goes to Kutralam to meet the girl and stays in his friend’s house. The girl is away on a college tour. Ironically, she is the sister of his friend. In the second half, the friend dies in a mishap accidentally caused by Sathyamoorthy. Wishing to atone for his fault, he takes on his friend’s responsibilities and considers his friend’s sisters as his own sisters. When the girl comes back, she finds a new brother, who is supposed to be her lover.

Veera, a forest brigand was killed by police officers. A police officer who is suspected to have become this brigand’s man has gone underground and a team of cops (Richard, Bharani and co) are sent to the forest to capture/kill him. They meet Akhila (Arundhati), a woman who claims to live in the forest, who, they think is a prostitute. Meanwhile, in a parallel track, there is a young woman Dhamini (Manochitra), who agrees to be driven to the same forest by Sivaji (Vimal), a debauched car driver.

The plot opens with the introduction of Ravi (Prasanna), an electronics engineer who introduces himself as a youthful guy who aspires to become a businessman. He meets Viswanath (S. P. Balasubrahmanyam), the CEO of Trust Bank in a golf course, when he fights to grab a bag belonging to Viswanath from a stranger. Ravi saves Viswanath and chases the stranger. He is unable to catch him, but gets a glimpse of his face. Viswanath thanks Ravi, offers him a job in his bank, and also assures to provide a loan of Rs. 2 crores to start his own business. The bank promotes its new branch as the ‘world’s safest bank’ with the security locker designed by Ravi. Ravi works in Trust Bank for five years, and his loan approval gets rejected so many times despite Viswanath’s attempts to get it approved.
Ravi meets Nandhini (Ramya Raj), a divorced news reporter in a golf club, and they become friends. Slowly, love blossoms between them, and Ravi, once during his date with Nandhini, is attacked by Nandhini’s ex-husband Raghu. He counterattacks him and goes home. At home, Ravi meets Fareed (Sibiraj), who tells that Ravi killed Raghu and there are evidences to prove. Fareed also kidnaps Nandhini. Ravi is confident that he did not kill him, but he has to obey the words of helping them rob the bank to save himself and Nandhini. Fareed says he is an ex-employee of Trust Bank and was fired by Viswanth for fund mismanagement. Fareed wants to take revenge on Viswanath by robbing Trust Bank, which will negatively impact its trustworthiness, and he wants Ravi to help him.

Four boys from various parts of Tamil Nadu come together while being involved in the making of a movie. The story is about how their lives are transformed when a girl gets involved.

Aryan is a narcotics officer entitled with making the city a drug free zone. One day, people very close to Aryan get murdered one by one. He feels that this might be the work of the mastermind who is behind the entire distribution network.

The film starts with Dhivakar (Vincent Asokan) and his family celebrating his birthday. A sudden lightning strike kills him and his son. At a movie theatre, a man gropes a woman, and a small commotion ensues, which was stopped by ACP Paul Dhanarajan (Aadukalam Naren). The plot shifts to detective Kaniyan Pongundran (Vishal), who lives with his associate Manohar (Prasanna). They both come across Mallika (Anu Emmanuel).
One day, a schoolboy Naveen (Master Nishesh) visits Kaniyan and Manohar with a case that his pet Pomeranian Nemo was shot dead and asks them to find the killer. Naveen gives them the bullet from Nemo’s body. Kaniyan finds that it is a 9mm bullet which had been ricocheted from Nemo. At the crime scene, he finds a tooth, with which he tracks its owner as Swarnavel (Ashvatt). Meanwhile, Kamalesh (John Vijay) visits a travel agency to deliver a sofa stashed with money to five members who run the agency: Devil (Vinay Rai), Muthu (Bhagyaraj), Pritha (Andrea Jeremiah), a stout man (Dheeraj Rathnam), and a bald man (Siddhanth Venkatesh).

Satya and Kiruba are friends. Satya is reckless and gets into drinking and violent fights whereas Kiruba studies hard to become a Sub-Inspector. Tables are turned when Satya becomes a Sub-Inspector.

Vinod’s parents want him to get married to Priya as she is madly in love with him. But she is unaware that Vinod is in love with his childhood friend Sandhya.