When the owner and operator of a luxurious island invites a collection of guests to live out their most elaborate fantasies in relative seclusion, chaos quickly descends.
The film starts with Shakeel (Rahul Dev) killing his own brother for information, which is also known to Veeru Dada (Kolla Ashok Kumar). In the encounter, Veeru jumps off into a river from a cliff. After 18 years, we have Veeru with a leg cut off giving info to Raja (Mahesh Babu), a mischievous thief who robs banks in style. Raja gives Veeru a share of 50% for all his tip offs. Raja becomes more daring as the price tag on his head increases by thousands. There is another mischievous thief Panasa (Bipasha Basu). She and her uncle follow Raja so she can dupe him and escape with all the looted money. As the things go on a frolicking way between Panasa and Raja, Shakeel is searching for Veeru. Veeru realizes Shakeel will kill him soon. Hence, Veeru offers a big diamond to Raja and asks him to escort his daughter Bhuvana (Lisa Ray) to his brother Dharma’s place.
Kodi and Anbu are look-alike twins born to in staunch political worker who immolates himself in protest for a good cause. Kodi dedicates himself to carry over the work of his late father to take his party to greater heights, while Anbu puts family first. When Kodi’s love for Rudra, a fierce speaker from the rival party begins to impede his political career, he also stumbles upon a scam that shakes his beliefs to unveil a flurry of events that brings Anbu into the mix of unexpected events!
Appu and Raja are twin brothers who were separated soon after their birth. Years later Appu, a dwarf, has become a circus clown and is loved by everyone while Raja is a car mechanic. When Appu’s love is rejected as he is a dwarf he tries to commit suicide. His mother comforts him and reveals to him that while she was pregnant with her twins their father Sethupathy was killed by four criminals Francis, Dharmaraj, Nallasivam and Satyamoorthy and also poisoned her which is the reason he turned a dwarf. Appu now decides to take revenge against the criminals but his lost twin brother Raja is framed for his crimes by mistake.
A story of a private investigator that accidently becomes a vigilante and he tries to save his friend and his family that was abducted by a dangerous militant group that was going to release a chemical bomb. Did he manage to save everyone in the end?
The film opens with Sakthi (Vishal), son of a forest ranger, beating up a gang that illegally cuts precious trees to earn money. Sakthi is a jungle trekker who spends his time bringing groups of tourists on trips into the jungle.
Almost immediately the story changes track and introduces Sakthi’s girlfriend Rupa (Sunaina). The lovers soon part ways citing compatibility issues where Rupa complains that Shakthi is not the loving boyfriend she wanted. Sakthi’s character is as such that he does not remember even a single detail in their love life that Rupa deems important. Rupa tells Sakthi that he does not seem to have the time for a girlfriend and that he does not even care to do so. Rupa further aggravates the situation by asking Sakthi to close his eyes and tell her the colour of the dress she was wearing right then, but Sakthi finds that he could not. Grieved, Rupa leaves Sakthi, saying this was his character and that he would not change.
The film opens and ends with jail sequences. In both scenes, Pazhanivel (Bharath) is seen behind bars. The happenings from his release and his reentry to the jail make the whole film. Pazhanivel, who comes out of prison, puts his sister Karpagambal’s (Kushboo) life on track through his heroics and goes back to jail as a martyr. Pazhanivel was put behind bars when he was 10 years old. He killed his father’s (Yaar Kannan) “keep”, who made his mother’s (Rekha) life a hell by exploiting her to cajole his “keep”. He went to jail, and his father turned an aimless vagabond. Karpagambal, who disowned him when he was sent to jail, grew up and got married to businessman Jeevanandham (Biju Menon). Karpagambal is living in a fool’s paradise, believing the man, who is actually an antisocial element. However, she need not worry about anything. Pazhanivel, who is now 25 years old, has come out of jail. He gets a job in his sister’s house, unearths Jeevanandham’s shady deals, reforms him, and puts his sister’s life on track. Meanwhile, he finds his lady love Deepti (Kajal Aggarwal).
In Mumbai, the people who had migrated from Tamil Nadu are living in the slum of Dharavi. Union Minister Haridev “Hari Dhadha” Abhayankar (Nana Patekar) tries to evict the people and seize their land. Over the years, he becomes a minister and plans to clear the area to construct buildings with the help of his supporter Vishnu Bhai (Sampath Raj). Karikaalan (Rajinikanth), living in Dharavi, opposes it to protect the area and his people. His ex-lover Zareena (Huma Qureshi) returns to Dharavi as a representative non-governmental organization that hopes to improve Dharavi’s living standards. Hari Dhadha’s assassination attempt on Kaala kills Kaala’s wife Selvi (Easwari Rao) and elder son Selvam (Dileepan). Kaala decides to take revenge on him and encourages the people to protest against the government. Hari Dhadha creates a curfew in Dharavi with the help of his supporter Inspector Pankaj Patil (Pankaj Tripathi). Kaala fights with Hari Dhadha’s henchmen and the police. Kaala’s younger son Lenin (Manikandan), daughter-in-law Charumathi “Puyal” (Anjali Patil), and brother-in-law Vaaliyappan (Samuthirakani) fight alongside him. Pankaj gets arrested after a video taken by a reporter Praveen (Ramesh Thilak) provides evidence that the henchmen were brought into Dharavi to create problems with the police’s support. The police believes Kaala is dead and informs the media, but the people of Dharavi deny the news of his death. Hari Dhadha enters Dharavi at a function for constructing a new building. Here, Kaala reappears amongst the crowd. Hari Dhadha is killed by the people of Dharavi in a stampede, and the government stops the scheme. With Dharavi’s success, many slums start to follow Kaala’s way of protest to protect their neighbourhood, irrespective of illegal land occupation.