Rajinikanth (Arya) was born in a theatre screening Dharmathin Thalaivan, and like one of Rajinikanth’s characters in that film, has a forgetful nature. The film doffs its hat at the older film by introducing its protagonist in underwear as he has forgotten to wear pants. This condition of Rajini is a constant source of embarrassment to his parents Ramanathan (Aadukalam Naren) and Lakshmi (Uma Padmanabhan), as they cannot find a suitable match for him. One prospective girl’s father Sathyamoorthy (Sampath Raj) insults Rajini because of this. As fate would have it, Rajini ends up falling in love with Sathyamoorthy’s daughter Vandhana (Sayyeshaa), but she is unaware of his forgetfulness. How long can he continue with this facade, especially with Ajay (Lijeesh), a cop who wants to marry Vandhana and is trying to expose him?

The son of an egoistic businessman falls in love with an egoistic girl and has to convince her egoistic mother in order to marry her.

The hero who lives in the present day and does every odd job for survival. He is approached for help by a group of youngsters who want to rescue one of their friends from a kidnap. But that kidnap had happened due to mistaken identity.

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

Three friends – Meet (Vivek Oberoi), Prem (Aftab Shivdasani) and Amar (Ritesh Deshmukh) – are all unhappily married and have unsatisfactory sex lives. Meet thinks that his wife Unatti (Karishma Tanna) is having an affair with her boss; Prem thinks that his wife Tulsi (Manjari Fadnis) doesn’t spend quality time with him and Amar feels that his wife Mamta (Sonalee Kulkarni) is more concerned about their son, Pappu.

The story begins with a group of government officers coming to list the number of devastated houses. The officers promised them to give a big amount to build their house but in exchange for a little amount to register their name. So the illiterate villagers, who wants to make easy money, demolish their house. The officers turn out to be frauds. The village panchayat president (Vinu Chakravarthy) knows that the villagers will not interfere in his decision until they are uneducated. Sivaraman (Sivakumar), a new school teacher, tries to change their custom and the children are happy to learn at school. Soon, Sivaraman has trouble with the village head.

Shashi Godbole is a homemaker who makes and sells laddoos as a home-run business. Her husband Satish and daughter Sapna take her for granted, mock her poor English skills, and generally treat her with disrespect, making Shashi feel negative and insecure. However, her young son, Sagar loves her as she is, and her mother-in-law offers her words of sympathy.
Shashi’s older sister Manu, who lives in New York, invites Shashi’s family to her daughter Meera’s wedding to Kevin. It is decided that Shashi will go to New York alone five weeks before the wedding to help Manu organize. Her husband and children will join her as the wedding approaches. During her flight to New York, Shashi is given inspirational advice by a fellow passenger (Amitabh Bachchan in Hindi/Ajith Kumar in Tamil). While Shashi is in New York, she has a traumatic experience at a cafe due to her inability to communicate in English. She is comforted by a French chef Laurent who happened to be queuing up behind her at the cafe.
Using the money she made from selling laddoos, Shashi secretly enrolls in a conversational English class that offers to teach the language in four weeks, showing her resourcefulness at navigating an unfamiliar city alone. The class comprises David Fischer, the instructor; Eva, a Mexican nanny; Salman Khan, a Pakistani cab driver; Yu Son, a Chinese hairstylist; Ramamurthy, a Tamil software engineer; Udumbke, a closeted African-Caribbean man; and Laurent. Shashi quickly becomes a promising and committed student, earns everyone’s respect with her charming behavior and her cuisine, and gains self-confidence. Laurent becomes attracted to Shashi. When he tries to kiss her at the rooftop of a building, Shashi rejects him and runs off, but fails to explain that she is married.

To overcome tenancy issues, Anjanam buys his own house, which brings him the love of his life. But it doesn’t stay long, as there is new trouble in the house. Was he able to marry his girlfriend and live peacefully in his home?

The film is about a 50-year-old vanity van owner, Caravan Krishnan, who goes out of his way to help those in inter-caste relationships sort out their issues, and makes a point against caste and religion-based division.

Gandhi is an IT guy who suffers from Pseudobulbar, and he uncontrollably laughs during stressful moments. He is taken to a Shiva temple and tied with a holy ornament, which is very strong, but it would bring a threat to him if separated.

The film opens with the killing of a police officer by cocaine mafia lord Bhai (Hareesh Peradi) and his henchmen. Kokila (Nayanthara) struggles to find a job to take care of her parents (Saranya Ponvannan and R. S. Shivaji) and sister (Jacqueline Fernandez). She stumbles on the cocaine smuggling business of Mohan (Charles Vinoth). When her mother is diagnosed with lung cancer, Kokila is forced to work for Mohan. Her cunning earns her a name in the business. The new inspector Guru (Saravanan) is a no-nonsense cop and cracks down on drug dealers. Kokila is almost caught a couple of times but manages to evade the authorities. She convinces Mohan to kill two of his henchmen suspected of leaking information and then decides to quit the business. Mohan seemingly accepts but tries to rape her. She beats him up and tries to flee with her family but is caught by Bobi, who had recruited her initially. He demands that she deliver a one last consignment of 100 kilos to Alphonse (Rajendran). Kokila is forced to accept and enlists the help of her family. She delivers the load, but it is revealed that she switched most of it for salt. She then tricks Bobi to double-cross Bhai and then frames him for swindling Bhai. She has him killed and continues the shipment run. On the way, she is caught by the police, who were Alphonse’s men in disguise. She manages to avoid getting raped and kills off her captors. Guru tracks her down and arrests her. Kokila makes a deal with him to nab Bhai and bring the whole drug business down. The plan works out, Bhai is shot dead, and Kokila and her family escape punishment. In the end, the family starts a business of Kolam powder, calling it ‘Kokila Kolamavu’.

The film is a sequel to the Tamil comedy – Manal Kayiru which was released in 1982.