Two strangers’ lives become inextricably bound together after a devastating plane crash.

Priya Amal Raj (Kajol) lost her mother at a very young age. She is friendly, outspoken, sensitive, yet precocious. Priya is brought up by her dad, Amal Raj (Girish Karnad) who is a clothing industrialist. Since her childhood, Priya is interested in singing, music, and church.
Thomas Thanga Durai (Arvind Swamy), a polite, well mannered NRI businessman, returns to India from America to look after his father’s James Thanga Durai’s (S. P. Balasubrahmanyam) business. James is a former associate in Amal Raj’s business and now establishes his own business empire in the same vicinity, opposite Amal Raj’s factory. He boasts of his son’s achievements. However, Amal Raj dislikes James’ ill-mannered, clumsy and bizarre antics though Thomas and Priya have known each other in their childhood.

Three friends – Meet (Vivek Oberoi), Prem (Aftab Shivdasani) and Amar (Ritesh Deshmukh) – are all unhappily married and have unsatisfactory sex lives. Meet thinks that his wife Unatti (Karishma Tanna) is having an affair with her boss; Prem thinks that his wife Tulsi (Manjari Fadnis) doesn’t spend quality time with him and Amar feels that his wife Mamta (Sonalee Kulkarni) is more concerned about their son, Pappu.

Angry young man Velu Thondaiman, affectionately known as “Thambi” fights against all types of evils in the society. He keeps running into Sankara Pandian, a political henchman who rules the city with violence. Thambi is determined to overcome Sankara Pandian’s activities in the society and his fearless attitude brings fear into the face of Sankara Pandian’s gang. Thambi thwarts Sankara Pandian’s terrorizing plans with the help of his close associates. At this very moment, a flashback unravels how Sankara Pandian’s gang kills Thambi’s family after Thambi identifies the killer as Sankara Pandian’s brother Saravana Pandian. As the Police now close in on the thugs by means of “encounters”, Sankara Pandian starts riots within the city to topple the internal government, so he can achieve power as a member of parliament. But, in the riots, Sankara Pandian’s daughter and mother are caught and Thambi saves them single-handedly. As Sankara Pandian is turning into a new leaf, his brother …

The protagonist on a probe to solve a series of murders that take place exactly where he delivers food.

A couple in their late 90s, lead a happy life with a large family of four generations. On the day of their granddaughter’s engagement an unexpected event sends them on a magical journey that will test their familial bonds.

The story unfolds in a remote village near Palani called Kanakkanpatti with a poor goat herd Marimuthu (Vishnu Vishal) as its protagonist who lost education as his father died when he was 13. He also plays kabbadi very well. Marimuthu, along with his childhood friends Ayyappan (Vairavan), Sekar (Nithish), Murthy (Sundar), Appu Kutty (Appukutty), Suri (Soori), and Pandi (Ramesh Pandiyan), are kabbadi players who dream of winning a local tournament.
Sekar is a rich, short-tempered rice mill owner and is always captain of the team. Appu Kutty is a short tea shop owner who often gets a heavy scolding from his old mother-in-law. Suri is a very newlywed man who has only 3 hobbies: eating thrice as normal man, kabbadi, and making love. Pandi is a big, fat local store owner who is a son of an ex-army man. Marimuthu, who lost his father when he was young, works in a farm and can stay in his house only during holidays. Their kabbadi team, Vennila Kabadi Kuzhu, is infamous for never winning a match in their history. In a subplot, Marimuthu meets and flirts with an unnamed beautiful young lady (Saranya Mohan) who comes visiting to his village’s annual festival.

Kathir is an educated agriculturalist, and he was keen to Safeguard his gardens. His destination is to bring INDIA should be the best country in high and quality of agriculture. To achieve his plan, he has approached the bank. And his lover Nethara, supporting for his steps.The second hero performed by Arun, he is an engineer, he had invented a modern machine which cleans the wastage, he wants to make his country clean. Arun plan to go co-operation to implement his idea. Arun gets frustrating and his lover encourages him for his project. Higher authority was not taking any action, for his survival, he was adapting his own business on the road platform.

The film starts with Ashok Kumar aka AK (Ajith Kumar) setting bombs in three places and informing the police about them. Before the police arrive, the bombs are set off. AK, along with his lady love Maya (Nayanthara), threatens her old college mate hacker Arjun (Arya), who is forced to hack one system after another. AK then threatens Sriram Raghavan (Aadukalam Naren) by trying to kill his child so that he can extract the truth about black money. AK then murders Sriram. Arjun, who is irritated by the things happening around him, complains about AK’s misdeeds to Inspector Prakash (Kishore). When AK gets closer to achieving his goals, Arjun gives him away to the police, and both are arrested. Arjun is later released after his true identity is revealed.

When Mani, a lineworker who is unhappy in his marriage, manages to make a time machine work due to an accident, he goes back in time to change his life.

In 1609 AD, Mitravinda, a princess, and Kala Bhairava, the warrior that she loved, die. 400 years later, the warrior is reincarnated as Harsha, a motorcycle stuntman. He brushes hands with a girl and sparks fly as he begins to recall his past life. Knowing that he is destined to love this young woman, he sets about trying to identify her. Indu does not remember her past life and keeps Harsha at a distance; playing tricks on him until she gets to know him better. However, just as the two begin to fall in love, a sinister force from their shared past returns!

Kalyan (Murali), a talented magician, works with his friend and assistant Ramesh (Ramesh Khanna). Kalyan’s mother (Sathyapriya) insists him to get married soon and she finds a bride for him. Kalyan has a different view on marriage and he first wants to know all about his bride. With the marriage broker (Vaiyapuri) and Ramesh, Kalyan leaves his house to see his supposed bride.