Shakthi (Bharath) becomes the managing director of Rajasekhar group of companies following his father’s death. He feels highly dejected because of troubles surrounding him such as continuous loss in business and also his girl friend Anita (Shammu) ditches him and marries another guy. Above all Shakthi develops enmity over his mother after she decides to remarry following her husband’s death.
Bombarded with troubles, Shakthi one day leaves his office and boards a train without even knowing the destination. In the train, Shakthi meets Anjali (Tamannaah), who is more bubbly and talkative and she is on her way back to her hometown Theni after completing her studies. Anjali keeps talking to Shakthi continuously which irritates him. Shakthi plans to jump from the fast moving train to end his life, but due to Anjali presence, he could not do it. Anjali informs Shakthi that she is in love with Gautham (Munna) and also about her plans to elope with him as her family is highly orthodox.

Tulasi (Radha) is a village girl. One day, she gets a letter from her cousin Subramani (Mohan). She gets excited as they were close friends in childhood, but Subramani leaves with his family to the city. Subramani visits the village for his college thesis about folk songs. Tulasi is in love with Subramani, but she is confused whether Subramani also loves her. Tulasi’s father (Visu) passes away due to heart attack. When Subramani’s mother arranges a marriage for Subramani with Tulasi, he refuses. Because of this, Tulasi’s mother dies in frustration. Then, Tulasi comes to her uncle’s house. Later, a flashback comes in which Subramani is in love with Noorjahan (Amala). Since Noorjahan used to come to the music college with a veil, Subramani has not seen her face. On a day when they plan to meet, Noorjahan dies after she steps into quicksand. Subramani feels dejected after seeing Noorjahan’s death and decides to remain unmarried and that’s the real reason for him to avoid marrying Tulasi. But Tulasi decides to end her life as Subramani shows no interest in marrying her and she goes to the same place where Noorjahan died. Tulasi also falls into the same quicksand, but Subramani rushes and saves Tulasi. Subramani understands Tulasi’s true love towards him and marries her.

Shiva dubs Hollywood movies for Tamil audiences has trouble explaining his desire to remain free of marriage and commitment.

Radha Krishna (Sharwanand) has had a high opinion about police ever since he was a child. A B-grade Lord Krishna devotee, he grows up to be a cop because he believes that cops are the modern-day saviors the Bhagawad Gita might have talked about.

We get a childhood rivalry between Deva (Dinesh uncomfortable) and Villangam (Ramdoss, underutilised), a hastily built romance between Deva and Thulasi (Adhiti Menon), a back story for why Thulasi’s mother (Devayani, with a lousy hair-do) wants a son-in-law who can drive, a henpecked husband (Anandaraj, who takes on the responsibility of making us laugh), a comic character (Rajendran, in an underwritten role) who could expose the hero’s lies…

A student of masters degree and ditched by a rich girl, Jayanthi (Bhumika Chawla), Porchezhiyan vanishes from her life for many years before a chance meeting with her opens up old wounds and painful memories of a romance all gone wrong.

Based on a real-life incident, Sridevi Soda Center portrays a beautiful, emotional love story amidst the much prevalent caste system and politics in the rural areas.

Shiva and Aishwarya are college students and they fall in love with each other. Shiva is from a middle-class family, while Aishwarya is the daughter of the heartless ganglord Natarajan. Natarajan is hell-bent to save his family’s prestige so he is against love marriage.

Raja, an introvert medical student falls in love with his fellow college mate, Geeta, but does not have courage to express his love to her. When he decides to convey his love, then he misunderstands that Geeta is in love with someone else but in fact she was helping her sister and her lover to unite. Her father does not accept her sister’s love and the pair commit suicide.
Towards the end of the final year of college, he finally conveys his love to Geetha when she is in the college mourning her sister’s death. On the last day of college, Raja comes to know that the Geetha is about to be engaged soon to someone else, he couldn’t cope with the news and suffers a mild heart stroke and gets hospitalized. In the mean time Geetha starts falling in love with Raja, she visits the hospital to express her love only to find Raja has left to catch a train to his native village. She rushes to the railway station and searches for him, she finds her father on the way and her father accepts her love, she finds Raja’s friend Chinni instead and will come to know of Raja’s heart condition that he cannot digest a very happy or sad news. Chinni urges Geetha not to meet Raja then and promises after Raja recuperates, he will unite them. The film ends as Geetha looks at the departing train.

Chandru (Prashanth) works in a flower shop owned by Manivannan. He tries to woo girls and enter into a relationship, but it does not materialize. His friends (Charle and Vaiyapuri) tease him for being unable to find a girlfriend. Chandru has a plan to prevent them making fun of him. He requests his close friend Gayathri (Sujitha) to come to the temple along with some of her friends so he would introduce her as his girlfriend to his friends. Chandru takes his friends with him to temple with plans of introducing Gayatri’s friend as his lover. Unfortunately, Gayatri does not turn up that day, and Chandru simply points out a girl (Preeti Jhangiani) among the crowd in the temple as his lover to his friends. Chandru pretends as if he is talking frequently over phone to his lover so that his friends would believe him.

Newly married couple Akhilan (Arya) and Anbarasi (Renuka Menon) shift to their new house in Chennai. They live a happy life, even though their marriage was not love based at first. Soon, Anbarasi’s family came to visit them and left Anbarasi’s sister Kanmani (Akshaya), as she wants to pursue her studies in multimedia. As Kanmani stays with Anbarasi and Akhilan in the same house, she begins to develop feelings for Akhilan. Akhilan does not want to hurt his wife, who has now given birth. He seeks advice from a doctor on how to solve his problem. The doctor tells him to try and marry Kanmani off to her male cousin. Following Akhilan’s advice, Kanmani’s cousin decides to marry Kanmani, but she rejects him. One day, Kanmani’s cousin kidnaps her, rapes her, and leaves her at Akhilan’s apartment. This shocks everyone in the family, especially Akhilan. He admits to Kanmani about his action, and also told that the raping plan was not his advice. The whole family forces Kanmani to marry her cousin. The next morning, Kanmani committed suicide and died. Akhilan and Anbarasi, with their infant, go back to her village. Anbarasi’s aunt hits Kanmani’s husband as she thinks it was because of him Kanmani died. Akhilan, standing right beside him, was guilty because it was he who planned all this to avoid Kanmani disturbing his married life.

Gautham (Bharath), a college dropout and good-for-nothing guy, falls in love with Narmada (Genelia D’Souza), the daughter of a local don Sakthivel (Radha Ravi). She lives in a hostel after learning that her father is a criminal who now wants her to marry his partner Sardar’s (Brahmaji) brother. So the two lovers elope to Mumbai, and they are soon tracked and separated. Finally, Gautham, along with his friends, fights against all odds to win back Narmada.