Chinnadurai (Major Sundararajan) owns a huge estate that grows and processes tobacco and tea leaves. Due to advancing age, he is concerned about leaving control to his son, Kalyana (Kamal Hassan) and the cunning deceit of his manager, Ramiah (Thengai Srinivasan). Kalyana is immature and naive, and easily manipulated by the cook, Samipillai (V.K. Ramaswamy). He is also deeply in love with Shenbagam (Sridevi). Ramiah, Samipillai, Perumal (Senthamarai)(Shenbagam’s father), and Ligappa (a hired thug) plot to murder Chinnadurai and swindle the property from Kalyana. Ligappa mortally wounds Chinnadurai, and on his death bed he confesses to his son that he was born a twin, abandoned his first wife Rajulakshmi (Puspalatha)and his brother Raman (Kamal Hassan). After his father’s death, he conveys this information to the cook, who tells him he will go to Madras and bring his relatives home. Instead, Samipillai goes to a side show, and hires a married couple Rangamani (Manorama) and Kittu, to pretend to be the lost mother and son. One day the entire gang is in a room, laughing at how they had duped Kalyana and will steal everything. He overhears, and runs to tell the police. They chase after him and throw him off a cliff, observed by Shenbagam, who goes mad. Kalyana’s ghost travels to Madras and confides everything to his brother, Raman. He wants his brother to go home, exact revenge, and take care of Shenbagam…..

The story is set in the 1960s. Veluthambi alias Velu (Vimal) is a graduate aspiring for a government job. His father Annamalai (Bhagyaraj) advises him to work temporarily for a NGO that helps in educating rural children so that he will be given a priority for government job. Velu, although uninterested, joins the NGO and gets appointed as a teacher in a small dry village which lacks basic facilities. The entire village works for a rich landlord JP (Ponvannan), who owns a brick factory. Velu tries to convince the villagers to send their kids to learn, but in vain.
Madhiarasi alias Madhi (Iniya) owns a tea shop in the village and falls in love in Velu. Also the village kids play pranks on Velu, which irritates him. Velu understands that the villagers are exploited by JP, owing to their illiteracy by not paying them properly. Velu tries to make the villagers understand JP’s true colour, but they don’t believe him as they see JP as their savior.
Finally, the villagers understand that they are being cheated, and they demand proper payment for the bricks made by them. They also realize the value of education and send their kids to learn under Velu. Now Velu gets a government job but turns down the offer as he prefers to continue working for the NGO which gives him satisfaction. In a few days, he gets a letter from the NGO stating it is closing down due to financial difficulties. Velu worries as he is jobless and decides to work along with villagers in making bricks. But the villagers come for the rescue and want him to continue as a teacher for their kids, and in turn they agree to pay him. Velu also marries Madhi, and the movie ends with him feeling proud that the villagers understood the value of education.

Defense Minister Ritwik Sodhi passes a gun amendment bill that enables one to own a gun. This is the story of how Happy, Lucky, Max Pain, Uncle Fixit, Serena and William’s stories intertwine among themselves amidst passing of the gun bill.

Chandran , a young man fools his boss and attempts to woo his boss’ daughter.

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.

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.

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.

A burglary takes place the night Anand works as a substitute for his friend, a security guard. Later, a worried Anand remembers that he left behind his guitar and tries to retrieve it inconspicuously.

Dharmaraja is a renowned builder. Raj plans to hinder Dharmaraja’s works and the building is in a state of danger. Ashok finds out about the issues and warns Dharmaraja but gets caught in an accident and goes into a coma.

This story is all about an ambitious boy named Seenu alias Srinivasa Rao (Ravi Teja) who dreams of becoming a don. He always likes to be called as ‘Don’ Seenu since childhood due to the strong influence of the Amitabh Bachchan starrer ‘Don’. He grows up with just one passion – that of becoming the World’s No: 1 Don. Thanks to his enterprising nature, he gains access to the cream of the city’s dons, and uses his cleverness to play off the top two – Madhapur Machiraju (Sayaji Shinde) and Narsingh (Srihari), fierce rivals – against each other. Seenu wants to join one of these dons and grow up in the ranks. He joins hands with Machiraju. In the process he is given a task to go to Germany and win the heart of Narsing’s sister whose marriage is fixed with the son of the super don Naveen Duggal (Mahesh Manjrekar). Seenu goes to Germany and wins the heart of Deepthi (Shriya Saran) and later, he discovers that he was shown the wrong girl. The wrong girl is none another than the sister of Machiraju. Then when Machiraju discovers that his henchman is the one who showed the wrong girl, Machiraju attempts to kill his henchman. This leads to various turns in the plot. What happens next is all about how Seenu achieves his dream of becoming a don and live happily with Deepthi or does he?

Manoranjan (Kamal Haasan) is a leading film star who is immensely popular among his fans; however, he is beset with several personal problems. 25 years back, he had been forced to marry Varalakshmi (Urvashi), the daughter of noted film director Poornachandra Rao (K. Viswanath), despite being in a relationship with a woman named Yamini. He is an alcoholic and his teenage son Manohar (Ashwin) despises him. He has a daughter Manonmani (Parvathy) who was born out of wedlock to Yamini and was raised by Yamini’s husband Jacob Zachariah (Jayaram) after Yamini’s death. She also despises Manoranjan. He has been diagnosed with advanced stage brain cancer and has only a few more months to live, which is unknown to anyone including his own family. He is treated by his family doctor Dr. Arpana (Andrea Jeremiah), with whom he has an extramarital affair.

A battle over agricultural land lends some gravitas to this otherwise nutty tale of an enthusiastic farmer and his reluctant son.