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.
Prabha (Aadhi) is the eldest son of his family who does nothing but spend all his time with his friends. He is chided by his father (Jayaprakash) for that. Being a volleyball player comes to his rescue as he finds a part-time job as a volleyball coach in a women’s college. His younger brother works in a TV channel, and Prabha is often compared to him by the family, which incurs his wrath. The siblings cross swords with each other. One day, the younger brother is killed, and the blame falls on Prabha. He is on the run and soon joins a goonda working as a henchman to an influential politician (Mahadevan). Prabha goes on a killing spree, killing one by one in the gang. Finally, a flashback reveals that they were the reason for his brother’s death.
Chandrakant ‘Chandu’ Nagre joins the world of crime in the Mumbai underworld. Gradually he learns the tricks of the trade and increases the gang’s earnings and profits. This leads to his affinity with Malik, the leader of the gang. Later, Malik and Chandu kill Saeed and his brother Anis in the rear seat of the car on a chilling rainy day. Thereafter Malik goes on a bloody rampage killing all his opponents to take the reins of underworld in his hands. His rival gang leader and colleague under Aslam’s umbrella Sharma, who was in a meeting with police inspector Rathod, is killed off. Inspector Rathod, who once tortured and abused Chandu in jail in early days, is killed at Malik’s permission. However both come at loggerheads during the execution of a contract killing. Chandu stops the deliberate vehicle crash and falls from Malik’s favor.
Anbu (Vishal) is a happy-go-lucky engineering student who lives with his family in Pattukottai and has fun with his friends. One day, he gets into a fracas with a local politician (Dhandapani) and his comic henchmen while trying to save a friend, and is arrested and has a case registered against him. The local court gives him conditional bail, provided that he signs the register in a Trichy police station. On the way to the police station, he sees a girl on a terrace (Motta Madi) drying clothes and falls for her. It is love at first sight for Anbu as he becomes crazy about Malar (Priyamani), a college girl, which leads to some hilarious situations. The police station, where he has to sign daily, is manned by his uncle Kandasamy (Ashish Vidyarthi), a comic inspector whose ex-lover Kamala (Urvasi) is the constable at the station. Anbu kindles his uncle’s love life and makes merry at Malar’s college, leading to funny situations. Meanwhile, Trichy is run by a powerful politician Palani (Devaraj) and his brother Guna (Ajay), who have killed the local RDO in cold blood, watched by a huge crowd of onlookers. The brothers continue with their ‘dadagiri’ until they clash with Anbu. The reason is that while trying to save Malar from a situation with Palani, Anbu ends up getting the wrath of the brothers. Although Malar’s mother wants to move away from the city, Anbu and his aunt convince her to stay and make Anbu Malar’s protector. He accompanies her and protects her from danger. After seeing his care, Malar slowly falls for Anbu and sees his true love for her. Palani causes problems for Anbu, but Anbu overcomes them and gets Palani killed by Kandasamy. Malar graduates and marries Anbu, and the story ends.
Abhi (Jr NTR) takes up a mission to bring down multi-billionaire Krishna Murthy (Jagapathi Babu) to ground zero as he cheated his father Prasad (Rajendra Prasad). Abhi’s father wants to take revenge on Krishna Murthy before he dies, so he plans a mind game to fulfill his father’s final wish. Rest is about the mind games between Abhi and Krishna Murthy.
Chandralekha (Srividya), a grieving mother, asks an ex-army man David Kumar (C. Arunpandian) to rescue her son Gunasekaran (Prabhakaran), who is locked up in a military prison. But at the same time, the hideous criminal P. K. Roy (Nassar) appoints the fugitive Pratap (Ramki) to kidnap Gunasekharan from the prison. Both leave for their missions respectively, not knowing what surrender holds in his past and the fugitive takes this personal.
Varun Murali (Kalaiyarasan) is a well-known blind chef and the owner of a popular restaurant in Chennai. One night, Deepa (Sshivada) visits his restaurant asking for leftover food for homeless. Varun helps her and eventually falls in love with her daily visits. Meanwhile, Varun’s close relative, Sadhana alias ‘Sadhu’ (Janani Iyer) approaches his parents and reveals her intentions of marrying Varun, which they accept.
Varun decides to propose to Deepa in his restaurant, but he observes that she is in tears. She tells him that henchmen were pressing for their money and her father had promised to return the money in three days. Varun promises to help out from his own savings. On the same night, Varun is met with an accident and is hospitalized, during which his vision is restored. He is treated for three weeks and the hospital fee is paid out of his savings. Varun feels guilty and is disappointed for not helping out Deepa. When he is discharged, he is unable to locate her. When his family presses him to marry Sadhana, he agrees as he also likes her from his childhood days.
Vetrimaaran IPS is a young and dedicated cop posted as the Assistant Commissioner of Police in Chennai, where he lives with his parents and his brother. A seemingly innocuous case of a missing woman he is assigned to, evolves to become a double murder case. Though the investigation leads him to meet his soulmate, the case gets murkier by the day. The situation get out of hand when his own family gets embroiled in the mix and he is pushed against time to decode the mystery.