K. Muralitharan

The story is narrated by the main character, "Kokki" Kumar, in a jail cell. Kumar is a secondary school student who lives in the slums of Pudhupettai, in Chennai. After coming home from a film, he sees his mother's dead body. She was killed by his father, following an argument. After overhearing a conversation between his father and his friend that they plan on killing him too, as he was a witness, Kumar flees from home. Homeless and with no food, he resorts to begging. He is arrested, under false charges, while he watches the police arrest criminals on the street. After being released on bail, he befriends Mani and the others, all of whom work for a thug named Anbu. Anbu works for the opposition party's leader Thamizhselvan, who is a criminal and local politician. They take Kumar under their wing and give him petty jobs. During a confrontation with rival gangsters headed by the ruling party's politician Murthy, Kumar kills Murthy's brother single-handedly amidst 100 goons, earning the respect of his gang. Anbu makes him join a gang consisting of professional killers. There, Kumar learns the way of being a killer while surviving attacks from Murthy's men. The gang refuses to help Kumar avoid Murthy's men since their intervention would spark a gang war. Kumar murders several of his opponents singlehandedly, earning him respect from the others. Krishnaveni is a prostitute who works under Anbu. Kumar likes her and asks Anbu to release her. Anbu is shocked at Kumar's audacity and refuses his request. He thrashes Krishnaveni and orders his men to kill Kumar. Kumar approaches Anbu and begs pardon, but when Anbu refuses, Kumar kills him. Thamizhselvan allows Kumar to take over Anbu's business only if he can survive the night from Anbu's men. Kumar survives, and Thamizhselvan makes good on his word. Anbu's goons refuse to obey Kumar since he is young and inexperienced. But Kumar kills his opposition, as well as his father, and becomes a dreaded don in North Chennai. Murthy is paralysed by Kumar's men for refusing a truce. Kumar then meets Selvi, Mani's sister, and marries her forcibly on the eve of her wedding. Mani tries to kill Kumar unsuccessfully then joins Murthy's gang. Meanwhile, Krishnaveni reveals that she is pregnant with Kumar's child, and Kumar marries her as well. Mani becomes an informant and testifies in court over Kumar's killings; Kumar threatens Selvi and her mother, and thus avoids charges through witness intimidation. Kumar is the given a post in the party by Thamizhselvan to prevent him from defecting. Due to his increasing crime record and fear of being killed, Kumar asks for a seat as a Member of the Legislative Assembly (MLA) but is ridiculed by everyone, including Thamizhselvan, and ultimately removed after threatening to kill the other members with an aruval. Murthy learns about this and plans to assassinate Kumar and his family. Fearing for their safety, Kumar sends Krishnaveni and his newborn son away, but Murthy's men intercept them, kill her, and take the baby. He requests Selvi to ask her brother Mani for help, but she refuses and reveals her displeasure at how Kumar ruined her life and that she plans to return to her former fiancé. Mani is compassionate enough to return the baby safely to Kumar. Kumar then gives the baby to a kind-hearted woman, without revealing himself as the father of the child. The kind hearted woman is a married woman with two children, who earns her living by working as a housemaid in four houses. Kumar decides to exact revenge and kills Murthy's henchmen in his residence, but his right hand is crippled during a fight. Murthy ultimately commits suicide, which is then followed by Kumar's arrest. In the present day, the police and prison warden come to retrieve Kumar from his cell, with Kumar under the impression that he is to be executed. However, during the epilogue, it is revealed that the incumbent Chief Minister arranged Kumar's release and named him as an MLA candidate in the following election. Kumar praises Murthy and ironically states that he would have killed the people responsible for Murthy's death had India not been the birthplace of Gandhi. In the epilogue, it is also revealed that Kumar served three times as an MLA and twice as the Finance Minister of Tamil Nadu. Despite his political growth, he still could not find his son. Selvi is also revealed to have conducted her second marriage with her former fiance. Two months after her marriage her husband went missing. After that Selvi has been committed to an asylum.

Antony falls in love with Rajeswari who belongs to an upper caste family. When her father kills her sister for marrying a man from the lower caste, she decides to elope with Antony.

Maya, a college student, always wants to triumph in all her endeavours. When she has arguments with Cheenu, a happy-go-lucky youngster, she challenges him that she will make him fall in love with her. The story revolves around Maya (Sonia Agarwal), a college student, who always wants to triumphs in all her endeavors. She comes across a middle class youth, Cheenu (Srikanth), a happy-go-lucky-youngster, who strives to work hard to get his sisters married well. A few encounters (Maya and Cheenu) results in wordy duels between them leading to Maya challenging Cheenu that she will make him fall in love with her. Her further course of action to achieve her challenge leaves Cheenu frustrated and he decides to take revenge on her by pretending to fall in love with her. Maya who starts to spend more time with Cheenu comes to know of his kind heart and his good nature and eventually develops an honest love towards him. She even helps him in setting his own business house.Slowly Cheenu too comes to know of Maya's nobleness and generosity land falls in love with her. Trouble comes in the form of her brothers who threaten Cheenu of dire consequences. Cheenu resolves to earn more and become rich and then hold the hands of Maya. But Maya has plans otherwise. Do the couple get married in the end? Watch for yourself and find out! —Hariharan

Anbe Sivam tells the story of an unexpected road journey undertaken by two men of contrasting personalities, Nallasivam and Anbarasu.

Sakthivel, an irresponsible man, disapproves of the marriage arranged for him by his father and tries to ruin it till he realizes that the prospective bride is the woman he loves.

After her father's sudden death, Mahalakshmi is left to clear his debts and face the harsh villagers. A taxi driver helps her cremate her father and pledges his taxi to earn her a temporary reprieve.

Vasanth is a son of a wealthy businessman from Chennai and grows up with a possessive attitude, and is almost considered a psychopath by the audience. This is shown in one scene in a gift shop, where he breaks a gift which he likes solely as it had already been brought by someone else. He pays the owner to cover the damages but responds with a negative tagline - "If I can't get it, nobody can". He happens to visit Rajasthan, where he meets Priya and it is love at first sight for Vasanth. Priya is injured in an accident, and Vasanth's friend Vasanth Kumar rescues her by donating blood. Being unconscious, Priya does not know the face of her saviour, only the name "Vasanth Kumar". After she recovers, Priya comes to Chennai to meet Vasanth Kumar and stays in her uncle's house. However, Vasanth, who needs her at any cost, pretends to be Vasanth Kumar and makes advantage of her soft corner. He also manages to hide her from Vasanth Kumar. One day, Priya and Vasanth go to Sathyam Theater to watch a movie, but he unknowingly learns that Priya and Vasanth Kumar already know each other. He gets angry and breaks the ice creams brought for them. One day, Vasanth Kumar learns about Priya's and Vasanth's affair and greets them. Priya's father Rangarajan also learns about the affair but not about the possessive Vasanth. Vasanth and Priya go to Jaipur from Chennai to meet Rangarajan. While Priya is away from the home for a small work, Vasanth meets Rangarajan and admits the truth to him, but he refuses. Angered by his action, Vasanth kills him but later realizes his foolish mistake. CBI officers Muthukumaraswamy and Gopal begin to investigate the case. One day, Vasanth Kumar comes to Jaipur for a music audition, which he had missed when he donated blood to Priya. Vasanth arranges room for him but fears that he might find the truth. He goes to the hospital where Priya was admitted and tears the certificate of admission. Vasanth Kumar sees this, and they go to a nearby hill station. Vasanth Kumar starts arguing with Vasanth for cheating his name. Vasanth apologizes and admits the truth, but Vasanth Kumar abuses Priya. In anger, Vasanth accidentally beats Vasanth Kumar but tries to save him. Having no way, Vasanth Kumar sacrifices his life for his friend's sake. Shocked by this incident, Vasanth decides to transform himself into a good gentleman and thereby leaves his behaviour as that of a psychopath. Vasanth then sincerely starts to take care of Priya. Meanwhile, Muthukumaraswamy and Gopal come to know that the real murderer of Rangarajan and Vasanth Kumar is Vasanth. Priya also learns about this and runs from Jaipur. Vasanth searches for her and is finally beaten by Priya for cheating on her lover's name and for killing Rangarajan. After that, she notices her earring, which was taken by Vasanth when he first visited Jaipur. He tells her all the truths and the incidents. She feels sorry for him and decides to reciprocate his love. However, the police shoot Vasanth, and he dies immediately, unable to bear the pain. Priya bursts into tears. The film ends with a sad note with Vasanth advising the audience "not to live like him, because they will realize their terrific destiny". Alternative ending: When Vasanth was suffering from the pain caused by the police's gunshot, Priya realizes his love for her and reciprocates Vasanth's love. Both Vasanth and Priya hold their hands and run away from the police. Muthukumaraswamy and Gopal were about to pull out their guns, but they did not stop or shoot Vasanth from escaping. When they asked each other the reason for not stopping them, they explained to each other by saying that they know the value and pain of love. They let them go away and live together. The film ends on a happy note with Vasanth getting united with Priya and his love being successful.

Rishi, the son of a wealthy man, leads a carefree lifestyle. However, his life begins to change when he meets Nila, a college student, and gradually falls in love with her.