The film focuses on two love stories in Chennai and Tiruchirappalli; one takes place in the period of a day, while the other ensues for months.
Amudha (Ananya), a native village girl from Tiruchi, arrives in Chennai for a job interview, but her sister is unable to meet her to direct her to her destination. Amudha enlists the aid of a stranger Gautham (Sharvanand), who agrees to take her as far as the bus stop. However, he ends up travelling with her the entire day, waiting for her during her interview, and dropping her off at her sister’s home. In the course of the day, she comes to understand him and becomes fond of him. While remaining calm and reserved, Gautham reciprocates her feelings. The following day, Amudha returns to Tiruchi, where she realizes that she has fallen in love with Gautham and rejects marriage proposals that come her way. She decides to return to Chennai to meet him. Meanwhile, Gautham realizes that he has fallen in love with Amudha and decides to go to Tiruchi to find her, despite not knowing her address and other any details except her name.

Santhanam plays the role of a jobless youth whose only ambition in life is to marry a beautiful girl. The rest of the story shows how he achieves this with the help of a love guru played by VTV Ganesh.

There is a group of friends and romance occurs between a tow. There are people who try to spoil it. Did the couple unite against all odds?

Ramalingam (Kamal Haasan) & Sundaralingam (Prabhu Deva) are simpletons who are always in search of ways to earn a quick buck. Sundaralingam is an artist with good talent, while Ramalingam is the business brain who brings in money, mostly by fraudulent means. They fall in love — Sundaralingam with Janaki (Rambha) and Ramalingam with Sundari (Soundarya). Both are students of art.
Janaki’s father Paramasivam (M. S. Viswanathan) rejects Sundaralingam. Sundari convinces Janaki to write letters falsifying Sundaralingam’s rise to fame and big money, eventually lying that Janaki & Sundaralingam now have a son, in order to win over the parents with sentiment. Janaki’s dad, worried that his grandson might be brought up poorly, arrives at a mansion that has been set up to look like Sundaralingam’s new property, along with her mom Parbathy (Srividya). Meanwhile, Sundari’s dad Balamurugan (Moulee) also makes an unexpected stop there to check on his daughter.

Romantic action drama about the life of an easygoing youngster named Surya, whose life take some unexpected turns thanks to the three women he meets along the way.

Mapla Singam is a rural comedy about two families in a village that are in constant conflict with each other.

A jobless young man and his close friend face a series of unexpected mishaps in their lives when they borrow a large amount of money from a crooked gangster.

On the way to Chennai, Bala’s (Srikanth) bag and certificates get stolen in the train. But he has a look about him that endears him to a petty shop owner Sundaram (Haneefa), who provides him accommodation along with a few bachelors (Vayyapuri, Shyam Ganesh and Sukran) in the top portion of his house. Malar (Trisha) stays opposite this house and the bachelors are crazy about her. They are scared if the handsome and generous Bala will try to woo her and so they hatch a plot and frame him, so that Malar’s two brothers beat him up black and blue. Three strangers, who claim to be his true friends from Hyderabad, save an unconscious Bala. Now the true identity of Bala is told in a flashback by these friends, that he is a rich son of an industrialist (Rajeev and Fathima Babu). Malar saves Bala from an accident and soon they are in love. But her brothers take her back to Chennai, as her sister had already eloped with someone. The brothers do not want her to commit the same mistake and make her promise that she will only marry someone of their choice. Then there is another secret that nobody knows – Malar is suffering from some brain disease and will die soon. Bala comes to stay opposite her house to see and make her happy till the end.

Badri (Vijay) is the youngest son of a family and a careless guy, always going around girls and enjoying with them. His womanizing habits are a source of heartburn for his father (Kitty). However, his elder brother, Vetri (Riyaz Khan), a kick-boxer and his father’s favorite son, is very fond of him. Janu (Bhumika Chawla), Badri’s neighbor, is in love with him, but it is just one sided as Badri considers her a good friend and a source of money and cars to impress girls (Janu’s father is a garage owner). He falls in love with Mamathi (Monal), a rich girl, and poses as a rich guy to impress her. However, she soon finds out Badri has lied to her. Mamathi dumps Badri and insults him in front of his father. Badri’s father, tired of his son’s antics, disowns him. Later Vetri is attacked by his enemies and is bedridden, unable to take part in the kick boxing championship. Badri decides to fight in his brother’s place to redeem his family name as his father always wanted his son to win the kick boxing championship. So he trains hard and fights against Rohit, who happens to be Mamathi’s new boyfriend. He defeats Rohit, redeems himself in front of his father’s eyes and finally accepts Janu’s love.

Rajesh goes to jail for killing his second wife. Meanwhile, his son grows up among the local goons and establishes himself as a full-fledged rowdy. Rajesh wants him to get married but he hates women.

It is a hilarious film in which the hero is a wedding planner. He incurs losses because of the heroine, who employs him at one point. She wants him to stop her wedding to a guy, who her parents approve, by saying that their horoscopes do not match. However, the hero double-crosses her when he gets to know that the bridegroom is willing to offer him more money to ensure that the wedding happens. Later, as the arrangements for the wedding are on, he realises the wicked nature of the bridegroom and decides to stop the wedding with the help of his family members. How his family comprising his mom and uncle, help him stop the wedding is what the film is about.

The movie starts of with Azhagar, the CEO of a taxi business, receiving an award and GoCabs CEO Vinayak congratulating him. Then, it shows Chandramouli waiting in traffic with a green Premier Padmini. He arrives at his son Raghav’s boxing match, and they argue about the car. Afterward, we learn about Madhu, Raghav’s girlfriend, and a flashback reveals that they met after Chandramouli accidentally hit the back of Madhu’s Vespa. Later on, there has been a series of crimes involving GoCab drivers, and Vinayak cannot sponsor Raghav for the state championships, so he decides to go to Azhagar for a sponsorship. He goes on to win the state championships, and the prize is a Suzuki Baleno. Chandramouli asks Raghav to go for a drive with him, to which he agrees. During the drive, their Padmini gets in an accident with a lorry, and Pugazhendhi, Azhagar’s assistant, beats Chandramouli to death. Raghav later wakes up in a hospital, and learns that due to the accident, he can only see two feet in front of him, and also learns that his father is dead. A couple weeks later, Raghav receives a death certificate for a person called Bairavi. We later learn in a flashback that she and Chandramouli were close friends, and that she was killed by Pugazh and his men. The rest of the story is about how Raghav finds out why they killed Bairavi and Chandramouli.