Kabaleeswaran, a revolutionary who fights for the betterment of his race in a foreign land, is falsely implicated and thrown behind bars. When he returns after his prison term, he starts a search for his wife and ends up confronting those who were the reason behind his miseries. What follows is a tale of revenge, emotion, drama, jealousy, treason, loyalty, love and payback.

A police detective reconnects with people from an undercover assignment in her distant past in order to make peace.

When a young street dancer learns that his mother is still alive, he tries every possible way to meet her and reunite his parents.

Rasu Padayachi (Mammootty) is the chief of his village Gunavasal, he is a kind-hearted person who is highly respected by the villagers, he is so respected that the people even erect his statue in the village. Rasu Padayachi has dedicated his life for the welfare of the village people. When the Muslim peoples of the surrounding villages wanted to buy one of his lands to build a Mosque there, Rasu Padayachi refuses their money and he gives them his land for free.
In the village Sundarapuram, Manimaran (Ranjith) is a respected village chief who lives with his parents (M. N. Rajam and K. K. Soundar). Manimaran and his cousin Mannaru (Mansoor Ali Khan) are known for being short-tempered persons.

Siddharth lives a middle-classed lifestyle in India along with his dad, retired Justice Shravan Mathur, mom, Laxmi, and sister, Shweta. His dad has been assigned the task to investigate the collapse of a school-building which killed 20 children. The building contractor attempts to bribe Shravan to no avail. When he molests Shweta, Siddharth beats him up, gets arrested, is tried in Court, and sentenced to jail. In jail he is told that his father and mother have been killed by thieves abroad a train headed to Mumbai, and Shweta is missing. After his discharge he attempts in vain to locate Shweta. He takes up employment with a five star hotel, romances the owner’s daughter, and decides to kill defense lawyers. He successfully kills advocates Brahmanandan, Jankiram, and scares off Karuna Sagar who was ready to represent a male who had sexually molested a woman named Gayetri. While the accused has no one to represent him in Court, a Delhi-based Supreme Court lawyer, Ashok Mehta, agrees to represent him despite of threats from Siddharth, who is determined to kill him at any cost little knowing that his past will not only re-visit him, but a witness, Major Vishwanath, will come forward, ready to identify him as the killer of Advocate Jankiram.

After being accused of murder, a young priest manipulates his associates to flee to America in order to chase the love of his life.

Thangalakshmi, a wealthy woman, arranges for her daughter, Abhi, to get married to an NRI in her native village. However, a twist of events leads to Abhi getting married to her bodyguard, Kathiresan.

Roy, Soorya, Amir, and Gauri come from entirely different backgrounds, but one thing that they have in common is cancer. Roy is a multi-millionaire; Amir is a small-time goonda; Soorya is a musician; and Gouri lives in distress, troubled by her stepmother. Each of them is dying from the disease (blood, liver, bone, and lung cancer) and they all come for treatment to a plush hospital, Pratheeksha, run by Dr. Nandakumar (Ganesh). Though they take some time to become friendly, they eventually become close. They decide to go to Malaysia to meet Soorya’s girlfriend, because they want to be positive in their lives. There is a scene with Kamal Hassan, who gives a pep talk on how he lost some of his close friends to cancer, and gives the four friends some confidence. At last Soorya dies.

A voice-over by RD (Anil Kapoor) introduces the four main characters: Ranvir Singh “Ronny” (Saif Ali Khan) who runs a successful business he inherited from his father. His younger brother Rajiv Singh (Akshaye Khanna) who mooches off of Ronny and is an alcoholic. Ronny is dating an upcoming model Sonia (Bipasha Basu), while his personal assistant Sophia (Katrina Kaif) appears to be secretly in love with him. Ronny is also involved in an intense competition with a rival horse-owner Kabir (Dalip Tahil). The film opens with a murder plot involving a car accident which Ronny narrowly survives. When Ronny loses money in a race because his jockey had been bribed by Kabir, Ronny plants a bomb in the jockey’s car and kills him, showing Ronny to be a ruthless businessman. Later, Ronny also destroys Kabir when the latter offers him money to buy his business, which is in debt.

The film starts in 1796, four years after the occupation of Malabar by the British East India Company and towards the end of the First Pazhassi Revolt (1793–1797). The revolt is led by Kerala Varma (Mammootty), the Raja of Pazassi Palace, of Kottayam house. The exploitation of the native Indian resources by the Company had culminated in popular revolts against its authority across the district. With the help of Kerala Varma Pazhassi Raja’s uncle Kurumbranadu ruler Veeravarma (Thilakan), who is jealous of Pazhassi Raja for his success and influence, and Raja’s old companion Pazhayamveedan Chandhu (Suman), the Company act against Pazhassi Raja. This forces Pazhassi Raja to escape to the forests of Wayanad. The tribal force led by Neeli captures Assistant Collector Thomas Hervey Baber (Harry Key) and his fiancée Dora (Linda Arsenio) in the jungle, in spite of his commander’s objection. The Raja treats Thomas Baber and Dora as his guest and releases them.

Vandiyathevan sets out to cross the Chola land to deliver a message from the Crown Prince Aditha Karikalan. Kundavai attempts to establish political peace as vassals and petty chieftains plot against the throne. Unrest grips the land as a long-tailed comet arrives, signalling a time of turmoil.

Vasool Raja- is in a rowdy gang, where they get money from people. When his parents are coming for a visit,he & his gang pretend they are running a hospital. Later Vasool’s parents find out that they were cheated by their own son as pretending to be a doctor. Now Vasool must attend a medical school to earn his parent’s trust back. There he encounters his love at first sight (childhood friend) and he encounters his arch-enemy.