Deva (Suriya) arrives at the Chennai International Airport after running an errand for Arumuga Dass (Prabhu Ganesan) of smuggling pre-release unlicensed movies on DVD. The two leave for their hideout and instruct Dilli (Karunas), a hearing-impaired assistant of Dass, to make copies of the DVD. Just when police crews arrive into their vicinity, Dass informs Deva and the rest to leave. Deva tells the others to leave while he quickly sets up the burning process. Deva also leaves the hideout just in time. However, the police officers arrive at the hideout, only to see the burning process of the DVDs complete. The police then seize the DVDs and computers. The inspector, who was a friend of Dass, tells him that he can close the case if one of Dass’s men agrees to the crime. Deva attempts to go, but another man, Chitti (Jagan), who had no affiliation to them volunteers, takes the blame. Later, Chitti joins Dass’s group and befriends Deva.

When Huo Yuanjia was young and aggressive, he thought martial arts were the most important. When helping Nong Jinsun, a progressive youth escort the reformists, he gradually understood that what really mattered was to help the country and the people. To get a foothold in Tianjin, Huo Yuanjia defeated seven of them. And when he competed with Youlan, he got framed by Yuan Tingshan, an imperial court reactionary. At this moment, Mr. Tan, the leader of the reformists came to Tianjin on his way to the capital. Huo Yuanjia was in charge of escorting him to the capital. During this breathtaking mission, Huo Yuanjia understand that in this era, everyone was involved and responsible for this country.

An intense desire of Kallu an 8 year old girl from Panchalimedu village to visit Sabarimala.

Johny (G. V. Prakash Kumar) is a happy-go-lucky guy who is mistaken as a notorious gangster by his lover Hema’s (Anandhi) father Dass (Saravanan) aka Naina, an ageing gangster who wants a person to replace him as the Naina in Royapuram and become his son-in-law. Johny has a disease which causes him to repeat his previous words if he sees blood. How Johny eliminates his rivals and becomes the next Naina forms the rest of the story.

Osthi Velan (STR) loves his mother (Revathy) and is an inspector in a village near Tirunelveli. He has a deep rooted animosity towards his stepfather (Nassar) and step brother Balan (Jithan Ramesh) from childhood. Balan is a loser who by hook or crook wants to marry his lady love (Sarnya Mohan). In between, our hero falls for Neduvali (Richa Gangopadhyay). Then there is this politician-thug Boxer Daniel (Sonu Sood) with whom Velan lock horns. The villain exploits the hostility between the brothers to get back at Velan.

A celebrated covert operation specialist Ajay Kumar is assigned a high risk mission to retrieve the detonation codes for deadly plutonium weapons stolen by terrorists to upset the world order. After putting his unparalleled skills to use he finds himself on the verge of successfully completing the mission, only to be shocked by treasonous acts which he wouldn’t have even dreamt of. He is then left to deal with overwhelming odds stacked against him in order to survive.

Thiru, a local gangster, falls in love with Charu, an NGO worker, and decides to marry her. He changes his profession and starts a new life, but the police arrest him for his earlier crimes.

Vetrivel is a person who lives as a temporary driver in Rishikeh, Uttranchal. Annamalai is the owner of Annamalai Transports but not the building-cum-residence of the transports and the staff. He is very innocent and funny. Vivek always arranges a marriage bride for himself but in one way or another Sundhar C. will stop the marriage. Anjali is an ardent fan of MGR and she feels her husband should also be like him. She is the very beautiful and attractive daughter of the Annamalai Transport building owner and she comes to Rishikesh to check the building’s condition and to collect the yearly rent. She meets Sundhar C. and falls in love. Sundhar C. also falls in love with Anjali and reveals his past to her. Sundar C. was a highly accomplished district collector and was transferred to Tanjore. He gets himself in a cat-and-mouse chase with local goon Naachiyaar. Naachiyaar’s son kidnaps Sundhar C.’s friend’s sister who was engaged to another man

The plot is woven around two central characters Paandithurai and Nayagam (both debutants) who detest each other and are at loggerheads all the time. The fathers of the respective youngsters remain friends through thick and thin. Things go haywire when Paandithurai feels Nayagam abducts the chairman post of the village from him. What follows is a series of feuds between two groups and how one tries to falter the other. Also involved in the plot is the romance between Paandithurai and Kayal (another debutant) who belongs to the Nayagam camp.

Karthik, a money minded businessman, gets engaged to another money-minded girl Anushka. When his factory gets shut down by an environment activist Divya, he goes back to India only to fall in love with her.

ACP Shivakumar IPS (Raghava Lawrence) is a corrupt police officer who gets transferred to Chennai and misuses his power to gain money. During this process, he encourages an MP named GK (Ashutosh Rana), who has become a headache to Kirubakaran (Sathyaraj), the Police Commissioner of Chennai. Shiva is Kiruba’s son, who is angry on the latter as his negligence killed his mother (Sukanya) and sister, though Kiruba left his wife in the hospital to save several families in a riot. Shiva left Kiruba and became an IPS officer to seek revenge on him. Shiva meets Jaanu (Nikki Galrani), a journalist working for Sun News; and Nithya, a philanthropist who works in a coffee shop. Shiva loves Jaanu but gets rejected by her because of his corrupt nature. Nithya is killed by GK’s brother Sanjay (Vamsi Krishna) when she tries to save a techie from getting raped. Shiva then turns against GK. Shiva challenges GK to save Sanjay from getting arrested. GK manages to kidnap the techie. But with the help of a transgender that witnessed the murder of Nithya, Shiva arrests Sanjay and challenges GK to bring Sanjay out of jail within three days. Kiruba and Shiva are reunited, and Shiva’s marriage with Jaanu is approved. On the third day, GK’s men kidnap the transgender and Jaanu. The transgender gets killed. Shiva receives a call from GK, who has kidnapped Jaanu and Kiruba and challenges Shiva to save them by bringing Sanjay to him. Shiva reaches the spot. On arriving, he finds Kiruba dead and Jaanu attached with a bomb. Shiva kills GK’s henchmen. At that time, Shiva’s service vehicle reaches. GK and his partners are thrown into the vehicle, on which petrol is poured. Shiva shoots the van, and they die in the blast. Later, Kiruba is revealed to be alive, and Shiva reunites with him once more.

After finishing a successful meeting with his movie producers in Bangalore, Nanda, a jingles composer catches the highway to Chennai. On his way his car breaks down and he hitchhikes with Arjun, a businessman’s son on his way to the same destination. During their journey together they discuss their personal lives till Arjun proposes a deal; a deal that is marked with murder but promises to better their personal lives. However this deal does not work in Nanda’s favor and he soon finds himself in deeper complications.