Pugazh, a young man, fights against a corrupt politician who wants to acquire the playground of his area, which he and his friends use for sports activities.

A team of losers attempt to pull off mass revenge against a past traitor. They are required to win a dance competition as part of the plan, they get entangled with the presence of a somewhat unintelligent local dance performer who cannot learn the backstory of the betrayal.

The movie begins in a hospital where a mafia is involved in adulterating drugs. Unfortunately, a junior doctor Alamu (Meenakshi) manages to stumble upon their antisocial act. To safeguard themselves, the gang sets out to wipe out Alamu. She meets Perumal (Sundar C), a petty thief who does the job of recovering loans for an agency. He eventually vows to protect Alamu from her distress by putting an end to the gang and their atrocities.

The film is about the life of an ordinary man facing an extraordinary situation in a single day. The story starts in Sikkim and travels with a grip towards the climax in Chennai. The film screens about how the youngsters are brought to the terrorism. Amir (Vidharth) is an intelligent professor who has already been in love with Meenakshi (Hardika Shetty), who works in Sikkim. When Amir goes back to Chennai, he is blackmailed to join a terrorist organization that would hold his family and Meenakshi captive. Then, the extraordinary things happen in one day.

The film begins with Professor Tiwari (Pankaj Kapur) being interviewed about police encounters and bids to eradicate organised crime from Lucknow and its surrounding areas. It then showcases Ajay Kumar (Arshad Warsi). Since he was young, Ajay has been traumatised by the death of his army officer father, who killed himself when accused of being a deserter, leaving his widow Prabha (Suhasini Mulay) to bring up Ajay on her own. Ajay studies hard and successfully becomes an Indian Police Service officer with the title of Senior Superintendent of Police of Lucknow. Due to his honesty, he gets transferred to various states in India, around 14 times in eight years. At his new posting in Uttar Pradesh, he comes to terms with a new criminal boss and ruthless killer, Gajraj Singh (Sushant Singh). Ajay engineers the setting up of a Special Task Force to deal with Gajraj. However, he also runs into problems as Gajraj is politically well-connected. Gajraj continues to elude the Task Force, using more modern technology such as the use of cell phones. But the Task Force recovers and is able to monitor Gajraj’s cell phones with the help of Prof. Tiwari. They find out that Gajraj is planning to contest the elections and if he wins, no police officer of any rank, even the Task Force, would then dare to arrest him or even consider him a suspect, which may well result in the Task Force being mere paper tigers. They have a final confrontation inside a train which leaves from Hazrat Nizamuddin railway station. All the officers in the Task Force as well as members of Gajraj’s gang kill each other in the fight, leaving Prof. Tiwari as the only witness.

Dakshna Murthy is a young man who keeps losing his jobs frequently because of his moral ethics. Malar, his sister-in-law is a confident, young, beautiful woman who works in a jewelry shop. Malar lost her husband (Dakshna’s brother) within a month of their marriage. For reasons unknown, her husband is found dead on the railway tracks nearby their hamlet. Despite being a young widow, both Malar and Dakshna live under the same roof because Malar has married his brother opposing her family. Dakshna tries to convince his sister-in-law to remarry, but she keeps refusing.

Ramarao is a fair government officer who bends the rules when it comes to fighting the lapses in the system. When transferred to his own village, situations take him on a quest where he faces challenges and has to take on evil.

Arjun was ordered by her girl friend that she would marry him only if he convinces a suave don to surrender to police.

Sridhar Vasudevan (R. Madhavan) is a middle-class family man employed in a bank. He is very idealistic, principled, and recognizes a deep sense of belonging with the society he is part of. He gets annoyed and flustered by illegal and semi-legal activities happening around him. His wife Vatsala (Sangeetha) persistently demands he should be more ‘flexible’ and make more money, but Sridhar does not accede. He endures the illegal and semi-legal activities around him because he anticipates a change in the mindsets of people. He feels that over time, they will become more honest, socially aware and willing to make small personal sacrifices for the greater good of all (like him).
Vatsala is a typical middle-class housewife and a caring mother of two children, Varsha and Varun. Societal imperfections and related problems matter very little to her. She is more concerned about her reactive husband, thinking about ways to save him from the effects of his angry outbursts and to steer him away from his impractical thoughts and deeds.

Pandian vows to catch a drug kingpin after his partner is murdered. When he is kidnapped and turned into an addict, Pandian fights to overcome the addiction and get revenge for his friend.

Although Thiru is a cop, and he lacks courage. His brother, Guru, always helps him win accolades and promotions, but a brutal incident makes Guru realize that he needs to help his brother in another way.

Two brothers envy their step-brother Shiva as he is their father’s favourite. Since their plan to deal in drugs and arms is opposed by Shiva, the two brothers hatch a devious plan to bump him off.