The film is a love story with elements of horror. The protagonist is a man who shows off his bravery and also manages to scare ghosts.

The film opens with Shiva going to college for an exam, where his pen runs out of ink. He receives a new one from the girl next to him, Sindhya. He immediately falls for her and starts following her. He attends an educational tour with Sindhya, Vasanth, and Priya (Vasanth’s lover). Eventually, Sindhya falls for Shiva too. He then finds out that she got the top rank in the test and a scholarship to the US. Before she leaves, Sindhya invites Shiva to breakfast at her house while her family is out. At her house, Shiva strips her and the two end up having sex. Sindhya then goes to the US. She comes back three months later, saying that she has some private information to tell him. When she gets back, she announces to Shiva that she is pregnant, thinking that no one else is in the house. However, Shiva’s mom and dad overhear and they scold the two for having sex.
The film skips ahead a few years to show Shiva and Sindhya, husband and wife, having a child. Sindhya is working while Shiva is an unemployed husband, looking after the child at home. Sindhya’s brother Randy, a psychiatrist, tries to help by setting up a trick for Shiva to discover his interests. He sets up a plot in which Shiva overhears Sindhya talking to a person named Mahesh who is really Randy, making Shiva think that the child is not his, but someone else’s. Sindhya and Randy want Shiva to overhear them talking. Shiva gets suspicious about who Mahesh is and starts getting data from the library, helped by Vasanth. The climax is in the people he meets and he finally figures who it is. He accuses Sindhya and tries to kill the child. His family and Randy then explain what happened. He then rewrites the test and passes. The movie ends with Shiva getting a job and Randy still on his case on whether he is back to normal.

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?

An obese man, living in the slums of Chennai, comes across a series of situations that change his perception towards life and love.

A story of a private investigator that accidently becomes a vigilante and he tries to save his friend and his family that was abducted by a dangerous militant group that was going to release a chemical bomb. Did he manage to save everyone in the end?

Thenali Soman (Kamal Haasan) is a Sri Lankan Tamil who has come to Chennai for psychiatric treatment because of numerous phobias caused by his trauma of the Sri Lankan Civil War. Panchabhootham (Delhi Ganesh) and his assistant (Ramesh Khanna), the doctors treating Thenali, are jealous of a relatively junior doctor Kailash (Jayaram) getting all the media attention. They send Thenali over to him, believing his failure to cure Thenali of his phobias will derail his success. Soon after their first appointment, Kailash heads to his home in Kodaikanal on a vacation with his wife Jalaja (Devayani) and his two children Arjun (Master Suraj) and Aishwarya (Baby Taj Nisha). Kailash tells Thenali to wait until after the vacation before his therapy can begin, but Panchabhootham asks for Thenali to go meet Kailash while on vacation.

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.

Sachein (Vijay), a carefree and happy going guy joins a college in Ooty and falls for Shalini (Genelia) immediately on seeing her in first sight. Shalini studies in the same college as Sachein and is considered a popular and beautiful student, while also being a short tempered and arrogant girl with an upper-middle class status. Sachein comes to know all of this information about her from Arnold aka Ayyasamy (Vadivelu), who is a guy that studies in the college for about nine years and keeps studying there because he thinks that students should give their respect to their college professors, while also informing Sachein, that there are so many boys trying to impress her. This makes Sachein take a different route and he starts mocking Shalini in front of her, which irritates her. Slowly, they both become good friends, after Sachein saved her father in a bike accident. Santhanam (N. Santhanam), who is another student in the college also loves Shalini. But, he feels jealous seeing her and Sachein being good friends and decides to separate them. Santhanam writes in one of the walls of the college, that Sachein loves Shalini and this angers Shalini, as she misunderstands that only Sachein has done it. Shalini shouts at Sachein, but Sachein informs Shalini, that he is so outspoken and does not want to write in the college wall to convey his love, which makes Shalini realize her mistake.
But to her surprise, Sachein informs that, although he has not written it, but the content present on the wall is true which means that he is in love with Shalini. This again angers Shalini and she shouts at him that she considered him only as a good friend and that she wasn’t in love with him. Later, Shalini overhears Sachein challenging Santhanam that Shalini will convey her love within the next thirty days, as their college years will be completed by then. Shalini challenges Sachein that she will never fall in love with him.
Manju (Bipasha Basu) is also from the same college and she likes Sachein. Shalini gets jealous when she spots Sachein and Manju together often. But Manju informs Shalini that Sachein loves Shalini so much and asks her not to hide her feelings, as it is very evident that Shalini too likes Sachein. This makes Shalini realize her love towards Sachein. Sachein comes to know that Shalini’s parents have arranged a wedding for her and he meets Shalini on the last day of their college and says that he has lost the challenge and he will be leaving Ooty tomorrow. But Shalini hides her feelings towards Sachein and she plans to propose her love the next day as she wants to win the challenge by not conveying her love within the 30 days.
On the 31st day, Shalini is excited and goes to propose Sachein. But suddenly, she meets Gowtham (Raghuvaran) on the way, who is Sachein’s father. Gowtham is a billionaire, in which this fact makes the entire college be surprised that Sachein is the only son of a rich business tycoon, as Sachein always stays very simple and down to earth. Now Shalini feels bad, that if she proposes her love towards Sachein at this moment, then he might misunderstand that she decided to marry him after knowing that he is so rich and decides to stay calm. Sachein leaves to the Coimbatore International Airport in Coimbatore and Shalini also follows him. In the airport, Shalini could not control her emotions and proposes to Sachein. She also revealed that it is her ego that didn’t let her convey her love during the last thirty days. Sachein feels so happy and the couple are united.

The film begins with Karthik (Sethu) meeting psychiatrist Valeba Raja (Santhanam) to discuss about his life story. Apparently Karthik has two love stories. He falls in love with Sweety (Nushrath Bharucha) on first sight but when she bashes a guy for wrongly interpreting her friendship as love, our hero decides to put ‘Project Sweety’ on hold. Meanwhile, Karthik’s family plans to marry him to Shalu (Vishaka Singh) but the former tells about his so-called love story to the latter and she offers to help him out by telling her parents they need fifteen days to take a firm decision on wedding. During the process, Shalu and Karthik develop a liking for each other but suddenly Sweety too reciprocates his love to our hero. The rest of the story is all about whether Karthik marries Shalu or not.

Pandian and Pandiarajan are two notorious sons of the village cinema theater owner V. K. Ramasamy. Pandian goes to a neighbouring village to see a girl as arranged by his father towards his marriage and ends up in the wrong house. Coincidentally, those in the wrong house are also expecting a lad to see their daughter on the same time and the same day. Contrary to real time arranged marriages, Pandian goes to see the girl totally un-aided by parents, relatives and friends. Nevertheless, he takes a liking to the girl, Seetha and decides to marry her. Seetha likes the lad and decides to accept the proposal.
Meanwhile, Seetha’s marriage broker shows up and clarifies that Pandian was supposed to have gone to see some other girl but ended up in the wrong house. Hearing this, Pandian, Seetha and Seetha’s parents seem disappointed. Pandian’s father fixes dates for her marriage to the girl originally chosen for him — Revathi, a school teacher’s daughter. Pandian’s adamance to marry Seetha causes a strange turn of events. Pandiyarajan, the younger brother, finally marries Revathi while Pandian ties the knot with this love Seetha.

Kannan is in love with his neighbor Revathy, whose father and uncles are the most dreaded goons in the village.

A self-centred and dominating man dies in an unfortunate car accident. However, upon his request, he is granted 90 more days to live for a second chance at making things right.