The film starts with a flashback. ACP Bose (Karthik) is a sincere police officer happily married. He lives with his parents and younger brother Velu (Arun Vijay). Velu is a college student, and he falls in love with his classmate Anjali (Dhansika). Enters Umapathi (Chandrasekar), the villain who is notorious for settlements and land deals. Anjali comes across Bose when she is on a field trip from her college with her friends. She gets friendly with his daughter Pinky, who tells her that she would get her introduced to her uncle Velu, and they would make a good pair. It turns out that Velu studies in Anjali’s college and soon after, they come to know each other and get close.
Bose investigate the case of Umapathi, whom no one has been able to touch. He is even involved with a land deal involving crores of money which is completely illegal and others including the DIG is involved. When the chairman of the bank who has lent money for the deal demands the money back as the deal has not worked, Umapathi eliminates him.

An honest youth leader is irked by his corrupt-politician father and his political aspirations to become the chief minister by bullying the villagers. He decides to contest the elections and help the villagers but faces severe oppressions from his brothers-in-law. In a turn of events, his father is killed and the youth leader is blamed for his murder.

Aadhavan, a professional sharpshooter, gets a contract to kill Subramaniam, a prominent judge. He enters his house as a servant and wins the heart of his family members while plotting his death.

Two disparate men meeting by accident and the friendship they develop.

The plot follows H, a cold and mysterious character working at a cash truck company responsible for moving hundreds of millions of dollars around Los Angeles each week.

Prabhakaran suffers from an alternative personality disorder and has killed many people. He meets Anitha who finds out about his condition.

Kathir (Bobby Simha) has an interest for Anbu (Tanya Ravichandran), but due to family situations, she gets hitched to Karuppan (Vijay Sethupathi). What does Kathir do, to separate Karuppan and Anbu, and does he finally get to marry Anbu?

The CBI is in search of Sooriyan, an intelligent security officer of central ministry, who is accused of murdering a central Minister. But he has taken shelter in a remote village.

Vijay Rajendran is a happy to-go lucky man. Things change when his foster father dies unexpectedly.

Diwakar (Sarath Kumar), an Indian Brigadier, is charged to eradicate the terrorism in Kashmir. Diwakar lives with his beloved sister Anu (Shenbagam). His neighbour Priya (Tisca Chopra) falls in love with him. One day, the terrorists kidnap Anu and they kill her thereafter. In the past, Diwakar promised Anu to get married to Priya. To fulfil his sister’s wish, Diwakar eventually gets married to Priya. But Diwakar cannot live happily as long as he will not eliminate the terrorists.

In a destitute hamlet where the denizens make ends meet by committing highway robbery, the birth of the village elder’s grandson Ayyanar (Vijayakanth) gives the community hope for the future. Virtuous from boyhood, he begins to change the town’s fortunes by ratting out his murderous cousin Sivanandi (Sampath Raj) making an enemy in the process. But will Ayyanar’s virtue cost him his life 20 years later when the vengeful Sivanandi gets out of jail?

Sekar is Chinna’s most trusted kingpin. When he falls in love with Shalini, he decides to give up the life of crime and lead a normal life. However, his gang members want him back and kill Shalini.