Seemathurai is a village love story. Marudhu (Geethan) is in love with Poorni (Varsha Bollamma), a college student, and stalks her until she accepts his love. Trouble comes when Poorni’s family is dead against their love, considering Marudhu a wastrel.

Shakthi (Bharath) becomes the managing director of Rajasekhar group of companies following his father’s death. He feels highly dejected because of troubles surrounding him such as continuous loss in business and also his girl friend Anita (Shammu) ditches him and marries another guy. Above all Shakthi develops enmity over his mother after she decides to remarry following her husband’s death.
Bombarded with troubles, Shakthi one day leaves his office and boards a train without even knowing the destination. In the train, Shakthi meets Anjali (Tamannaah), who is more bubbly and talkative and she is on her way back to her hometown Theni after completing her studies. Anjali keeps talking to Shakthi continuously which irritates him. Shakthi plans to jump from the fast moving train to end his life, but due to Anjali presence, he could not do it. Anjali informs Shakthi that she is in love with Gautham (Munna) and also about her plans to elope with him as her family is highly orthodox.

It’s love at first sight for Seenu ( Vishwa) when he comes across Mithra (Tanvi) en route to his college. Seenu is delighted when he learns that they are classmates and even manages to win Mitra’s friendship. But fate intervenes in the form of Mitra’s childhood buddy Sam ( Irfan).

Saravana (Silambarasan) and Krishna (Krishna) are close buddies in college. Saravana sees a video tape of Krishna’s sister Sadhana (Jyothika) studying in London and falls in love with her. So to meet her, Saravana goes with Krishna to a village near Tirunelveli where he finds that there is a bloody war going on between two warring caste groups. Krishna’s brother Soundarapandi (Prakash Raj) his wife and Krishna are killed by the rival group of Dorai Singam. However Saravana saves Sadhana and takes her to Chennai. Initially Sadhana is not accepted by Saravana’s large family but slowly when they come to know about her background they support and love her. The rest of the film is how Saravana tries to help Sadhana to go back to London, and in the process eliminates the entire gang of Dorai Singam single-handedly.

Two lovers, Pallavi and Uma get separated by circumstances, but reconnect years later, when Pallavi is happily married to someone else.

An anthology of four romantic stories across four age groups connected by that magical thread called love.

Tirupathi (Prabhu Deva), Pazhani (Raju Sundaram) and Chidambaram (Nagendra Prasad) are physically impaired — one cannot see, the second is hard of hearing and the third is mute. None has a family. They are friends who begin to live under the same roof. Narmada (Jyotika) enters their lives and all three fall in love with her. The story follows their attempts to win her hand.

An unhappily married aristocrat begins a torrid affair with the gamekeeper on her husband’s country estate.

The film begins with a trio of friends in college (Malar, Mona, Gayathri). Mona falls in love with Karthik (Shiv Pandit) despite the advice of Malar (Manasi Parekh Gohil) who suspects Karthik to be a complete flirt. One day, while on a date, Mona mentions to Karthik, Malar’s views about him and this gets Karthik to start disliking Malar for interfering in his love life. When Karthik calls Mona, Malar picks the call up accidentally and they get into an argument with Karthik venting out his anger towards her interfering in his love life. Shortly later, he breaks up with Mona. Gayathri believing Mona was a wrong choice in Karthik’s life begins to date Karthik, while Malar is firmly against it. The relationship ends the same way as his relationship with Mona. A year or two later both Karthik and Malar work at the same software company on different floors in the same building. One day, while trying to call his friend on Malar’s floor, he accidentally calls Malar and the two realize their identities and presence in the building and the age-old feud resumes. Over lunch, both Malar’s friend (Vicky) and his own friend (Suja) advise him to sort it with Malar. Vicky questions why Karthik would fight with such a beautiful woman as Malar. Karthik not knowing what Malar looks like decides to take a look at her. When he sees Malar he falls in love at first sight, he then tries to reconcile with Malar, but Malar is not willing to forgive a flirt like Karthik. Karthik becomes desperate and begins to follow Malar and in a chance meeting orchestrated by Karthik he introduces himself as a sweet and kind person by the name of ‘Sundar’. Malar who has never met Karthik face to face, believes his false identity and begins to open up to Sundar.

Sethu and Ranjini are lovers who attempt suicide but Sethu survives and gets sent to prison for a year. Upon his release, he becomes a dance instructor where a student, Malini, falls in love with him.

When a man realizes that the Hindu woman he loves is in love with a Christian man, he decides to sacrifice his love and unite their families so as to make the love story a success.

Adhyan travels from Japan to Chennai to find a girl he met online. However, as he feels jet lagged a few criminals take notice and frame him for a crime he doesn’t commit.