A spoiled young heiress marries a poor man in order to inherit her grandfather’s property.

Amudhavel (Vishal), after spending 6 years in the United States, returns to Cuddalore for his marriage to his long-time girlfriend Meenu Kutty (Catherine Tresa). He is forced to invite to his marriage a local don Thamba (Madhusudhan Rao), despite a previous history between them. Thamba was responsible for dragging Amudhavel and his elder brother Gnanavel (Mime Gopi) to jail 5 years ago on a false charge after Gnanavel, who worked in Thamba’s fishing business, decided to leave Thamba and start his own fishing business. Thamba was also responsible for chopping off the leg of Amudhavel and Gnanavel’s father Rajarathinam when he had tried to intervene in the fight between Thamba and his sons, confining him to a wheelchair. To escape from Thamba and his gang and not cause any more harm to his family, Amudhavel had emigrated to the US.

A tiny orphan girl writes a letter to God requesting new clothes. Mr. Jothilingam, a businessman, received the letter at random and sends it to her. It soon goes viral and people start sending letters to God. Uma, Senthooran`s daughter, writes a letter to God to save her family from evil. Will God grant her request?

ACP Krishna is on a mission to find the whereabouts of an accused criminal. During this process, he meets Sailaja, the daughter of the accused who is missing and love blossoms. However, when Sailaja finds out that Krishna is on a mission to arrest her father, the two break-up and move apart. How Krishna stays determined to perform his duty and also wins back the love of his life forms the rest of the story.

Jeevan’s father helps Annachi after she is cheated by his brother. He soon becomes the object of affection of Annachi’s daughter, but he turns her down to pursue other goals in life.

An aspiring police officer decides to serve the country in spite of being rejected for the job. He gets into an argument with Rahul, the wayward son of an honest cop.

Aravind, a fearless cop leads an encounter operation where the wife of the accused gets killed accidentally. He ends up paying dearly with the lives of his wife and daughter in a revenge saga and is too affected that his brooding prevents him from taking up from further assignments. When a curious case of serial killings leaves the cops bedazzled, he takes it up as a gesture of courtesy, but his skills are needed now more than ever to track the killer.

Chev Chelios survives a fall from the sky, sort of. He’s in an unknown location, sedated, while various Chinese are harvesting his organs. His heart is gone, in an ice chest; a temporary in its place. Chev escapes, knowing only the name of the guy with the ice chest. He calls Doc Miles, an unlicensed cardiologist, who tells him there’s only an hour’s life in the artificial heart: keep it charged. Chev needs to find his own heart and get to Doc for a transplant. He starts his time-limited pursuit of shadowy figures, the ice chest, and his heart aided by Eve, Rei, and Venus – a stripper, a prostitute, and a pal with Tourette’s – constantly needing an electric charge to keep going.

The story is about a group of friends who wish to go to college together regularly. The group consists of Naresh, Sai Ram Shankar, Abhishek, Swathi and Sherin. Once, one of their friends named Lakshmi gets engaged. So the team decides to have a nice party before she gets married.

Vasudevan aka Vasu (Vishal) is a Coimbatore-based moneylender and also the heir to the Kovai Group, a cloth manufacturing conglomerate, until he was disowned by his mother and matriarch of his joint family Rajalakshmi (Raadhika) due to some misunderstanding. He meets a rich girl Divya (Shruthi Haasan) at a mall, who soon falls in love with him for his good nature. One day, Vasu saves the Additional Superintendent of Police for Coimbatore District Sivakkozhundhu (Sathyaraj) and his wife (Aishwarya) from a group of thugs who work for Anna Thandavam (Mukesh Tiwari), a Pollachi-based businessman and contract killer who kills anyone to acquire their land and money. As Sivakkozhundhu was transferred to Coimbatore district to capture Anna Thandavam, the latter had planned to kill him. Anna Thandavam also plans to illegally grab land sold to a village temple by Vasu’s late father. These two incidents cause enmity between Vasu and Anna Thandavam.

An elderly Malaysian man goes ballistic and kills several Indian officers in a span of 5 minutes at the Indian Embassy in Kuala Lumpur, Malaysia, before collapsing. A tattoo of a love symbol is present at the back of his neck, leading RAW officials to conclude that it is the handiwork of a criminal scientist named Love, whose identity and whereabouts are unknown to anyone except Akhilan Vinod (Vikram), a suspended RAW agent whose wife Meera George (Nayantara), a leading computer analyst at RAW, was killed by Love 4 years ago. RAW chief Malik (Nassar) tracks down Akhilan and convinces him to join the investigation. On viewing the video footage of the attack, Akhilan comes to the conclusion that the elderly Malaysian man had taken a mysterious performance-enhancing drug which allowed him to attack the Indian officials and decides to investigate the matter further in Malaysia. Since Akhilan is under suspension, Malik assigns him as a deputy to a junior RAW agent Aayushi (Nithya Menen), who is officially assigned to handle the case, and the two of them leave for Kuala Lumpur.

In 1795, when the Indian subcontinent was known as Hindustan or Hindostan, king Mirza Sikander Baig was killed by John Clive. The residents of his kingdom are massacred, and the land is annexed by the British. The only survivors are his daughter, Zafira Baig, and general, Khudabaksh. Khudabaksh defeats the retreating enemy soldiers, and raises Zafira as his daughter, training her in the arts of warfare.
Years later, Khudabaksh, now known as Jahaazi (Amitabh Bachchan), leads a band of Indian bandits known as Thugs, who specialise in sea-based warfare and expose a serious challenge to the expanding British East India Company which had, by then, seized control of large parts of India. John Clive is alarmed, and assigns his right-hand to counter the rising threat posed by the Thugs.