A man falls in love with a woman and cons his way into her heart through lies. When she finds out and confronts him, he has no sign of remorse as he feels that everything is fair in love and war.

Tired of his father’s disciplinarian ways and to avoid marrying a girl chosen by the latter, Raja runs away to Ooty. There, he is hired as a driver by the man whose daughter he was supposed to marry.

Mannar’s friend asks him to escort his newly married wife to his house, as her family forces her to marry a local MLA’s son. What happens when the villagers believe the two to be husband and wife?

Palakattu Madhavan (Vivek) is a lazy, irresponsible man. Embarrassed his wife Lakshmi (Sonia Agarwal) earns more than him, he quits his job out of spite. He then adopts the old woman Pattu Maami (Sheela) as a surrogate mother because she offers to pay cash for the opportunity. The character “Palakkattu Madhavan” is also an acknowledgement of a character with the same name in the movie Antha Ezhu Naatkal starring Bhagyaraj and Ambika.

Kumaravel (Vijay Sethupathi) is a typical lower middle class youth who mainly lives in TASMAC bars. His friends and neighbors have nicknamed him Sumaar Moonji Kumar (average-looking Kumar), and he is crazy about Kumudha (Nandita), the girl staying opposite to his flat. It is a one-way love and her father (Pattimandram Raja) has sought the help of Annachi (Pasupathy), the local boss, to find a solution and teach Kumar a lesson. On a parallel track, another alcoholic Bala (Ashwin Kakumanu), a smart bank salesperson, is always under pressure from his boss Poochandi (M. S. Bhaskar) and possessive girlfriend Renu (Swathi Reddy). One night, the life of the principal characters gets entangled, leading to the climax.

In Mumbai, Sid Mehra is, in the words of his father, an arrogant, spoiled brat. He lives with a doting mother, subservient brother, and a father who covers his expenses and credit card bills. Sid takes his college finals then starts work at his father’s business; he lasts less than a week before walking out. At a graduation party, he meets Aisha, newly arrived from Calcutta and set on becoming a writer. He shows her the city and helps her refurbish a rented flat. He asks if she’d like to progress from friend to something more, but she says no: he lacks ambition and isn’t her type. Will her words, his exam results, a confrontation with his parents, and a break with his friends be enough to wake Sid up?

Rangarajan, a powerful casteist politician confronts the party leader for MLA seat and if denied warns to start a separate party. How far will he go to see it happen?

Sekhar and Muthuraman are duped by a conman who promises to give them visas to fly to Dubai. Realising that their families might get hurt, they decide to exchange their addresses.

Three unemployed men find the answer to all their money problems when they receive a call from a kidnapper by a cross connection.

Vishu and Ramu are a pair of Indian twins living in America with their father, Rajamani. When Madhumita (Aishwarya Rai) and her brother come to America to get medical treatment for their ailing grandmother, Vishu and Ramu end up meeting them at the airport. Vishu falls in love with Madhumita, and the couple has everyone’s blessing, except for Rajamani, who is estranged from his own twin brother. He only wants his sons to marry twin sisters, so Madhumita pretends to have a twin in order to please him. As Madhumita puts on a charade by creating Vaishnavi, all goes well, until Ramu falls in love with Vaishnavi. Now the truth must come out, before Madhumita has to marry both of Rajamani’s twin sons.

Tamil, Malar and Esakki are three friends who are planning to kidnap Isabella, Tamizh’s girlfriend, who is being forced by her rich father to marry against her wishes. Chakkaravarthy enters the scene as main villain.

The film opens two years after the events of the first film, with Anitha Constructions Civil Engineer, Raghuvaran (Dhanush) winning the Civil Engineer of the Year 2016 Award and is an executive member of his company now, along with a parking spot. His wife, Dr. Shalini (Amala Paul) becomes an authoritative, nagging wife, who controls him. She has resigned her job to take care of the household, after marriage. Raghuvaran is also dismissive about his wife getting another job. Raghuvaran efficiently completes construction projects assigned to him, with the help of about 200 unemployed young Civil, Mechanical and Electrical engineers, who are his friends. Vasundhara (Kajol), a chairman of a big construction company in South India, Vasundhara Constructions, witness the announcement of Raghuvaran’s victory at the Engineer of the Year 2016 Awards and finds out about him. She makes Raghuvaran a job offer, but he humbly refuses, having been interested in creating his own construction company, VIP Constructions.