Arivu, an unemployed youth, strives to find love and settle down but luck does not favour him. Just when he falls for Savithri, an ex-lover returns and creates problems between them.

Kuselan, a rich man, who has nine children, wants to see them married before his death. Hence, he announces large-scale interviews with the dowry of one crore for the chosen suitors.

A boy and girl fall in and out of love, several times over.

The film begins in a modern heaven where Lord Paramasivan (Subbu Panchu) gives orders to Narada (Manobala) to pick four people for his Thiruvilaiyadal. The candidates picked are Ramarajan (Jai), a Siddha doctor; Ganesh (VTV Ganesh), a helpless man who is the husband of a local female don; Gopi (Sathyan), a future politician and son of a selfish politician; and Krishna (Rajkumar), a budding actor. Paramasivan and Narada see all the four’s routines and premises. Ramarajan falls in love with a singer Jayshree (Niveda Thomas) and wins her heart. Engaged for marriage after 26 days, the quartet plans to fix a bachelor party at Bangkok. When they reach Bangkok, they enjoy it and flirt with girls at the party. They are drunk, and when they wake up, they find themselves abandoned in a tropical island in Bangkok. They try many ways to escape but are unsuccessful. Six months have elapsed, and Paramasivan gives them a final chance, which is a motorboat of pirates arriving to explore the island. The quartet begs them to take them to Chennai, but they refuse to help them and flee, but the quartet fights them back and escapes the island in the boat, abandoning the pirates on the island. After reaching Chennai, they have a happy ending except Gopi. Ramarajan finds out about Jayshree’s marriage, so he goes to the marriage and finally marries Jayshree, implying the groom as an American software engineer and tells him to marry another girl by wishing him all the best. In a post-credits scene, the film mentions behind the scenes.

Agastya (Akshay Kumar) is a scientist, working on the development of a communication system, to communicate with aliens. But Agastya loses the faith of his seniors and is allotted with a deadline of one month to conclude his project with some substantial results.
In the mean time Agastya is informed by his girlfriend Diva (Sonakshi Sinha) about his father’s illness. On hearing this they both reaches his native village Paglapur, whose colourful inhabitants include a man who speaks in gibberish, another who thinks he is a lamp post and everyone else who think that the World War II is still going on.

Maari, a goon, constantly troubles the people in his locality and extorts money from them. But his life changes when Sridevi, a pretty woman, falls in love with him.

Kiran (Kreshna) is a TV telemarketer who gets into trouble after one of his products has an opposite effect than what was intended, on the son of a local thug who acted the commercial for him. That is also the moment when he discovers that his ‘real’ father left him a bungalow on an estate in a small town. He cons the son of the don, escapes with the money along with his girlfriend Smitha (Rupa Manjari), renovates the rundown mansion into a hotel with the help of a local caretaker Sharath (Karunakaran), who was under the care of Kiran’s father before and his bombshell sister Saranya (Oviya). Customers begin to come as soon the hotel was opened. A husband and wife, newly married couple with relativesand a body builder dies in the premise after staying one night. They burry the dead bodies on the backyard. All their guests die except the school kids and teacher who were sent by the locak police.Baffled, Kiran tries to uncover the mystery behind the deaths, only to find the dead people were previous owner of the bungalow,which leads him to believe that the house is haunted.

A freaky incident during a man’s breakup party leads to an ultimate change in his life as uncalled situations pop up, eventually leading to a lot of frenzy.

Sanjeev comes to Chennai to earn money for his sister’s marriage.He stays with his uncle singamuthu.He comes across meenakshi, a thief and gradually falls for her.After seeing an advertisement for making quick buck by staying in house for one night,Sanjeev and Singamuthu go to Mosquito kumar.Mosquito Kumar takes them to P.Pandu and tells that they need to stay in house for one night so that P.Pandu can sell the house since people are not ready to buy his house fearing presence of ghost rumours planned by P.Pandu’s rivals.They stay in the house one full night and encounter strange things.They then discover it is the handiwork of meenakshi who is paid by opposite party.Now comes the twist in movie,enter Ramki who is actually planning to rent the house to a marwadi family.Sanjeev,Meenakshi,Singamuthu and Mosquito kumar are cheated by Ramki.They then decide to kill Ramki by various techniques but with no success.Finally they plan to scare out the marwadi family.So they approach Singamuthu who is an fake shaman .Singamuthu promises to send ghosts to Seth house.What happens next forms the rest of the story.

Das kidnaps Arumai, the son of a politician who has been planning his own kidnapping to extract money from his father. Problems arise when an insane police officer is brought to handle the case.

36-year-old Vasanthi (Jyothika) is a UD clerk in the Revenue Department. Her husband Tamizhselvan (Rahman) works at All India Radio. Tamizhselvan aspires to emigrate to Ireland, but Vasanthi cannot accompany him as most Irish companies refuse her job applications because of her age being a problem. There is nothing interesting about her life; she leads a mundane life but she craves for a change.
One day, Vasanthi is summoned by the IG, Rajan (Nassar) to his office and she learns that the President of India would like to have a conversation with her. The meeting turns ends in disaster after she faints in front of the President and she becomes the subject of Facebook jokes and before long, she watches helplessly as her husband and daughter Mithila (Amritha Anil) fly away to Ireland.

Mili is a middle class Indian, and like many would like to be rich and famous one day. She wants to be an Indian actress. She is friendly with another poor man named Munna, who she knows from her childhood. One day while she is singing and dancing on the beach, she is approached by a rich and famous movie actor, Raj, who wants her to act in his next movie. Raj has actually fallen in love with Mili and wants to get married to her. Mili finds her dreams coming true when she gets very famous. Will Mili marry Raj and live a life full of wealth and fame forever?