Hero Vijay played by Mathivanan relocates to Australia as a result of his job transfer. There he meets an Australian girl, Emily played by Melissa and falls in love. Meanwhile, Australian Police are in search of Emily who is claimed to be missing for the past 10 days. Meantime, Police find Emily’s dead body who was killed and buried in Vijay’s garden and hence he is arrested. Emily’s postmortem report says that she was murdered and was buried. Further it shocks the police as they find that Vijay had actually arrived at Australia, a day after Emily’s murder. As a result, Vijay is released by the police. Following which, Vijay is all set himself to find about Emily, that who was she actually, who would have murdered her and what would have been the reason behind it, how is it possible for a dead girl to meet and speak wit him.. Finally, all these investigations result to unfold many interesting and shocking informations.

Vasanth (Prashanth), a rich guy meets a girl (Simran) in Coimbatore railway station while travelling to Chennai to join engineering and it is love at first sight for Vasanth. Shankar (Karan) also studies in same college where Vasanth joins and initially both Vasanth and Shankar develop clashes. Priya (Simran) is the sister of Shankar and without knowing that Vasanth meets Priya on a few more situations in Chennai and conveys his love towards her but Priya does not reciprocate and keeps distance with Vasanth.
One day, Vasanth saves Shankar’s life from a few thugs and this makes the two get close to each other. Shankar’s mother Srividya does not like any of Shankar’s friends visiting their home and once insults Vasanth when Shankar has invited Vasanth to his home. Later on Srividya gets to know about Vasanth’s good character and apologizes to him and also invites to their home. Now Vasanth comes to know that Priya is Shankar’s sister and feels bad that he is in love with his best friend’s sister.

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.

Harish is a good-for-nothing happy-go-lucky-guy who idles away his time in his village. He is a consummate liar and always tries to boast of himself through lies. With lies he tries to impress his friends and villagers boasting of his romantic escapades. And one such lie involving a village belle (played by Malavika Menon) lands him in troubles. How he extricates himself from these troubles forms the rest of the story.

The story revolves around Maya (Sonia Agarwal), a college student, who always wants to triumphs in all her endeavors. She comes across a middle class youth, Cheenu (Srikanth), a happy-go-lucky-youngster, who strives to work hard to get his sisters married well. A few encounters (Maya and Cheenu) results in wordy duels between them leading to Maya challenging Cheenu that she will make him fall in love with her. Her further course of action to achieve her challenge leaves Cheenu frustrated and he decides to take revenge on her by pretending to fall in love with her. Maya who starts to spend more time with Cheenu comes to know of his kind heart and his good nature and eventually develops an honest love towards him. She even helps him in setting his own business house.Slowly Cheenu too comes to know of Maya’s nobleness and generosity land falls in love with her. Trouble comes in the form of her brothers who threaten Cheenu of dire consequences. Cheenu resolves to earn more and become rich and then hold the hands of Maya. But Maya has plans otherwise. Do the couple get married in the end? Watch for yourself and find out!

Srinivasan (Dhanush) escapes from jail and hitches a ride on a truck to meet his love Thulasi (Priyamani). He reveals his flashback to the lorry driver, telling him of the disputes between his ambitious father and himself. When the parents leave home for a week, Srinivasan is left in the maid’s care. Soon, he meets the maid’s daughter, Thulasi, his childhood playmate, and they fall in love. As expected, his father objects to his son falling in love with Thulasi. One day, Srinivasan and his friends land up in prison for crashing their car on a police vehicle. While at the police station, Srinivasan locks horns with an inmate in jail and when he pushes him in a fit of rage, he sustains a serious head injury subsequently killing him. Eventually Srinivasan gets convicted for 10-year-rigorous imprisonment. His mother dies, and Thulasi’s family goes bankrupt and leaves to their native village in Ooty. A dejected Srinivasan escapes from prison to meet Thulasi. Whether the two join together forms the rest of the story.

Rishi sends to Hyderabad and join in a college as a Hindi lecturer as a part of an undercover operation. He fall in love with her student Vinamra. Rishi has to extract information about Kittu from Vaishali, another student.

A college student must win an inter college competition to save his college from being demolished by property builders.

Shiva and Vishnu (both played by Ajith Kumar) are identical twins. Shiva, the elder one, is a bus conductor, while Vishnu, the younger one, has a mild intellectual disability. Shiva overhears his parents’ plot to kill Vishnu. He runs away to another city with Vishnu and strives hard to look after him. A ‘dada’ Sundaramoorthy (FEFSI Vijayan), who runs a beggar trade, beats Vishnu brutally, and Vishnu becomes handicapped for life. Shiva leaves Vishnu in a home run by a social worker Lalitha (Sujatha). During the day, Shiva works as a bus conductor, and at the same time, poses as Vishnu: to play Robin Hood and steal from the rich and corrupt. A gang including Thangam (Meena), Ramesh Khanna, and others assist him in these operations. He is never suspected, and so, with the stolen money, he takes care of not only Vishnu, but also 800 people in other institutions for the physically handicapped. A college student Lavanya (Kiran Rathod) falls in love with Shiva, but he later comes to know she is Sundaramoorthy’s sister-in-law. Matters worsen when Sundaramoorthy becomes the chairman of the institute for the physically disabled. How Shiva deals with the situation forms the rest of the story. Meanwhile, Thangam is in love with Shiva, though he does not know this. Later she gives up her love and lets Lavanya marry Shiva. At last, Shiva marries Lavanya and Thangam marries Vishnu.

A coming of age tale of a young girl who falls in love with an IT guy, 8 years elder to her.

Aravindan (Vijay), Chandru (Suriya), and Krishnamurthy (Ramesh Khanna) value friendship over everything else, even family. For this reason, Chandru resists the advances of Aravindan’s sister Amutha (Vijayalakshmi). When the trio takes up a painter’s job at a mansion, Aravindan falls in love with Padmini (Devayani), who lives there. Padmini’s jealous cousin Abhirami (Abhinayashree) makes him believe that his overtures are reciprocated. When the truth is revealed and Padmini rejects him, Chandru stands up for his friend and speaks ill of her. This makes her swear to separate the friends.[2] After the marriage, Aravindan realises the hand of Abhirami behind all the mishaps, and Padmini realises that Chandru is innocent. Chandru and Amutha’s marriage is arranged. Gautham (Sriman) is Aravindan’s cousin who is in love with Amutha and wants to separate the pair. He makes Chandru believe that Padmini is trying to kill Amutha. Padmini is angry with Chandru. Aravindan tells the truth that in their young ages, he unknowingly killed Chandru’s deaf and mute brother. Gautham records this and makes Chandru hear it. Chandru and Aravindan fight and go by their ways. Aravindan tries to convince Chandru but falls from the top of a mountain. Chandru believes that Aravindan is dead, but after five years, he finds out that Aravindan is not dead but has ended up in a coma. Gautham is now torturing his family a lot. When he comes to know that Chandru has come back, he starts to beat him up. After hearing Chandru’s cry of pain, Aravindan wakes up from his coma. He beats up Gautham, and everyone rejoins and lives happily.

Arun (Siddharth) and Parvathi (Amala Paul) give an interview about their love story. But they fight even before the interview gets over. Then the movie rewinds 5 months earlier. Arun meets Parvathi in a college canteen and soon they become friends. Parvathi has problems at her home as her mother Saroja wants to divorce her father Akilan. Arun and Parvati fights for trivial reasons and then get together. Movie revolves around how little things may contribute to break ups.