Chulbul Pandey encounters an enemy from his past, and his origin story as the fearless cop unfolds.

Police Pandi (Soori) the owner of a real estate agency, borrows 15 lakhs from Vatti Varadhan (John Vijay), a local rowdy and don to start his business. Murugan (Vikram Prabhu) is Pandi’s assistant, and he gives the media an advertisement in which he persuades people to buy land from ‘his’ company, making many people persuaded from it. A billionaire wants to buy all the land, and when he is about the to sign the papers, they find out the land is actually a graveyard, causing the billionaire to not buy the land. When they are in the bar drinking alcohol, a call comes on Pandi’s phone. Murugan answers it, thinking it was the broker who sold them the land, but it was actually Varadhan. Murugan talks to Varadhan in foul language, and when he ends the call, Pandi tells him it was actually Varadhan. He then goes to another table and asks a man for some wine. The whole group befriends the man, who is mute.

When a kid named Pannu finds a lantern in a cave, he opens it when he gets home and it releases the King of all Genies named Karkimuki. The genie helps the little boy with his problems of everyday life.

Saravanan (Udhayanidhi Stalin) is a jobless youth who roams around in a two-wheeler with his friends. Kalyanam (Soori), his uncle, aspires for a political career, but due to the error committed by a drunk photographer, Saravanan ends up as the local head of a national party, and this upsets Kalyanam, who is left with no option but to leave the country to take up a job in Dubai. His other uncle’s daughter Thaenmozhi (Regina Cassandra) returns to town after many years, and Saravanan is besotted by her and falls in love with her. In the meantime, Kalyanam returns and awaits an opportunity to teach a lesson to Saravanan. Whether Saravanan succeeds in his love and whether Kalyanam manages to put Saravanan in his place is told in the rest of the story.

Arya and Surya, two struggling actors, put a smuggler behind bars. But the smuggler’s boss chases them to seek revenge.

During the political realm of N. T. Rama Rao, Shankar Narayana is an independent MLA of the constituency of Shankar Nagar, which is named after him, in Hyderabad, and is regarded as a champion for the poor. When a truck collides with the car his brother Satyam and he are in, Shankar goes into a coma. Except his family, everyone else presumes that he is killed in the accident. His son Ajay is a police officer in Mumbai who fights against the mafia and is on a mission to apprehend Mafia don Nayak who is involved in illegal drug trade, extortion and arms trafficking.
When he heads to Turkey in an undercover operation, he meets Prashanthi, the daughter of Ajay’s senior police officer and soon falls in love with her. She initially rejects his advances which makes him give up. However, he is successful in the undercover operation and arrests Nayak’s brother Bunty. After returning to India, he again meets Prashanthi and, to his surprise, she reciprocates his feelings. In an attempt to arrest Nayak, Bunty and the police commissioner is killed and Shankar’s loyal follower Sivayya reveals to Ajay that Nayak, along with Shankar’s rival, Mallesh Goud, and Shankar’s other followers Meka Narsingh Rao and Ambarpet Ganesh, were behind Shankar’s accident, which makes Ajay plot to kill all of them.

Three friends decide to do whatever it takes to unite one of their old friends with the girl he is in love with which gradually takes a turn for the worst, but strengthening their bond with each other nonetheless.

The film starts with Inspector Manimaran (Vinoth Munna) taking the job of Don Junga’s (Vijay Sethupathi) encounter, along with Duraisingam (Rajendran). On the way to his encounter, Junga tells his story. Back in Pollachi, he works as a bus conductor and is in love with Thoppuli (Madonna Sebastian). He gets involved in a fight, which angers his mother (Saranya Ponvannan) as his father Ranga and grandfather Linga were dons. They also lost their theatre Cinema Paradise and had to sell it to Kumarasamy Chettiyaar (Suresh Chandra Menon). So his mother fears he will also become a don. Junga tells his mother he will not be a don and will retrieve their ownership of the theatre. He goes to Chennai with Yo Yo (Yogi Babu) and starts saving money towards his goal. He also leaves Thoppuli as she wants him to give her a luxurious life and gift her with 365 sarees for each day of the year. One day, Junga comes to know that the theatre is being brought down and Chettiyaar is planning to sell it to a foreign company. He goes to Chettiyaar’s house and gives him a crore to buy back his theatre, but Chettiyaar insults him. Junga challenges Chettiyaar that he will retrieve back his theatre. He decides to kidnap Chettiyaar’s daughter Yazhini (Sayyeshaa), who is in Paris, so he goes there with Yo Yo, but the Italian mafia group kidnaps Yazhini to release their leader, who was arrested by the French police. Junga tells Chettiyaar he has kidnapped Yazhini and fights with the mafia group to rescue her from them. Yazhini and Junga escape, and Chettiyaar agrees to give Junga’s family the theatre in exchange for Yazhini. Yazhini and Junga later get married.

Depressed in life, three youngsters decide to commit suicide and go to a beach house to do it, unaware that the place is haunted by a ghost.

The story revolves around 3 generations where the three individuals played by Santhanam and they have no relation to each other. The mysteries and correction of mistakes in the past forms the story.

One morning in his house, Saravanan receives his ex-girlfriend Meera’s wedding invitation. He and his friend Paarthasarathy aka Paartha leave for Pondicherry to attend the wedding via car. En route, Saravanan recollects his past: He was a ruthless youth working in a film theatre with Paartha. He lives with his parents; his father, Varadharajan, who is educated and works as a college professor and his mother, Shenbagam, who is uneducated and is trying to pass an exam, just to get her college degree. One day in traffic, he sees Meera, a girl training to be an air hostess and falls for her on site. He follows her to a cloth shop and also to her Air Hostess class. He saw her house and he and Partha go to her house, as Meera calls them. There, Meera threatens Saravanan by showing her father’s photo, who is a Deputy Commissioner of Police (DCP), Mahendra Kumar. But still, Saravanan follows her and asks her to love him. Meera takes him to Mahendra Kumar’s office and he asks Saravanan to stop following Meera. Meera tells Saravanan that she has some qualifications required by her lover like shaving regularly, dressing well, breaking his friendship with Paartha, coming on time, etc. Saravanan tells this to Partha and Partha asks him if he or Meera is best for him. Saravanan tells him Meera is more important to him than Paartha, causing a break between Saravanan’s and Paartha’s friendship.
Later, Saravanan joins Paartha’s broken love and asks him to rejoin his love. Partha agrees and then they go to Mumbai, following Meera in a flight. There, Meera alas tells him that she loves Saravanan. After some months, Meera calls Saravanan once, but he does not pick up the phone and tells Paartha that Meera is not his real love and it is all nothing, but a drama. But, he really said that for fun. But, Paartha had accidentally switched on the phone while Saravanan told him all this. Meera, mistaking him for intentionally misusing her, comes there and breaks their love. Now, at Pondicherry, during Meera’s marriage, both Saravanan and Partha end up drunk and tell a small story, in a comical way describing the broken love of Saravanan and Meera. Just as the marriage is going to happen, Rajini Murugan, a local don, comes there with a pregnant girl and his girlfriend and reveals that Meera’s groom has a girlfriend, who is pregnant by him and that the girl Rajini Murugan is with, is that girl. The groom admits to his mistake and reunites with his old girlfriend. Saravanan and Paartha walk off the marriage hall, just then Meera comes and hugs Saravanan, hence reuniting with him.