Murphy “Barfi” Johnson (Ranbir Kapoor) is an optimistic , street-wise, charming young man who was born deaf to a Nepali couple in Darjeeling. His mother died when he was a baby and his father raised him alone while working as a chauffeur. Barfi is known as a troublemaker – he cuts lampposts, plays practical jokes on innocent people, and is chased by Sudhanshu Dutta (Saurabh Shukla), a local police officer. Barfi meets Shruti Ghosh (Ileana D’Cruz), who has just arrived in Darjeeling; she is engaged to Ranjeet Sengupta (Jisshu Sengupta) and is due to get married in three months, and Barfi is immediately smitten with Shruti. She also falls in love with Barfi but her mother dissuades her from pursuing him because he could not take care of her with his disabilities and lack of money. Shruti takes her mother’s advice, gets married, and moves to Kolkata, breaking all contact with Barfi.

Ramalingam (Kamal Haasan) & Sundaralingam (Prabhu Deva) are simpletons who are always in search of ways to earn a quick buck. Sundaralingam is an artist with good talent, while Ramalingam is the business brain who brings in money, mostly by fraudulent means. They fall in love — Sundaralingam with Janaki (Rambha) and Ramalingam with Sundari (Soundarya). Both are students of art.
Janaki’s father Paramasivam (M. S. Viswanathan) rejects Sundaralingam. Sundari convinces Janaki to write letters falsifying Sundaralingam’s rise to fame and big money, eventually lying that Janaki & Sundaralingam now have a son, in order to win over the parents with sentiment. Janaki’s dad, worried that his grandson might be brought up poorly, arrives at a mansion that has been set up to look like Sundaralingam’s new property, along with her mom Parbathy (Srividya). Meanwhile, Sundari’s dad Balamurugan (Moulee) also makes an unexpected stop there to check on his daughter.

Manimaran (Sarath Kumar), his father Poochi (S. V. Ramadas), and his grandfather Nagappan (M. N. Nambiar) are short-tempered persons who beat the villagers for a simple quarrel. Only, Manimaran’s mother, Sivagami (Lakshmi) can control them. Uma (Rajeswari), Manimaran’s sister, gets married to a man of another village. Manimaran falls in love with Vaidehi (Devayani), a Brahmin girl, and gets married to her without her permission. In a fight against Manimaran, the antagonist becomes blind in one eye and decides to take revenge on Manimaran. When Manimaran drives his pregnant sister, the antagonist stops him but Manimaran beats the antagonist and his henchmen. Uma comes too late at the hospital and dies with her baby. Vaidehi leaves their house because of her husband’s behaviour who brings Uma’s death. Manimaran changes his behaviour and tries to convince Vaidehi to come back home.

Rajalakshmi is a multi-millionaire who is very proud of her wealth. Her son falls in love with Govindaswamy’s daughter. He is Rajalakshmi’s rival, and hence she always tries to humiliate him in front of everyone.

Satyam begins with Sathyam (Vishal), an assistant police commissioner rescuing a hooligan from encounter thirsty cops, only to arrest him later. He reminds his fellow cops that a cop’s duty is to kill crime not criminals. Sathyam meets his first challenge in tracking a mysterious killer of three ministers. In the process, he finds the culprit Manickvel (Upendra), only to receive a rude shock to know his identity.
For, the murderer is none other than a former police officer, who inspired Sathyam to take the cop job. Revealing the reason behind his change of mind, the ex-cop says that he is on a killing spree as he failed to set right things in khakhi uniform.

Devaraj (Vinod), a gangster, is hired to steal a bag from a house, and he delegates this task to his underlings, Varadhu (AP Shreethar), Rathna (Raj Bharath), Ritchie (Madhivanan Rajendran) and Sethu (Balaji). Varadhu, who has just broken up with his girlfriend (who has insulted him for being a nobody), finds out that the bag has crores of cash and decides that this could be his moment to get rich. The four criminals scoot away with the bag to a remote village, where they take refuge under Janardhanan (Amarendran), an elderly man whose family were once zamindars, and Bala (Tejaswini), his young wife(Mithra Kurian). During their stay, Rathna and Bala begin an affair, and Arasi (Pooja Devariya), Richie’s girlfriend, also enters the scene. She causes a problem between Richie and his gang causing the couple to break up. Devaraj tracks them down and in a freak accident, becomes paralyzed. Janardhanan dies in a hunting trip and Bala is united with Rathna. They all start a hotel by the name of Andhra Mess in Janadhanan’s property.

It is about a married man involving in romantic escapades outside marriage and learns his mistakes in the end.

Ramu is an innocent son of a rich landlord who is afraid of his brother-in-law Narendran and his whiplash. To escape from his punishments, Ramu leaves his house and his look-alike replaces him.

The film is set in North Madras area where a Settu (Atul Kulkarni) used to employ Guna (Sampath Raj) for car seizure before he is double crossed by Burma (Michael Thangadurai), who takes over the hot-seat. Burma is aided by his girlfriend Kalpana (Reshmi Menon) and sidekick Boomer (Karthik Sabesh). Their mission is to seize 28 cars for Settu and raise money so that Burma can marry Kalpana. Meanwhile another gang of robbers led by a lady killer gets involved, leading to chase, abduction, double cross and killing.

A young agriculturist Velu (Kamal Hassan) goes to extremes to attain revenge against his devious landlord and her family. He is an upright young man, but when his family gets cheated out of money, he decides it’s time to take a stand. Donning various disguises, he-with help from his sister Valli (Thulasi)-sets out seeking justice against the landlord and her confrontational daughter Geetha (Ambika) and son Pazhani (Raveendran).

Sera (Krishna) is a man who earns his living by retrieving dead bodies from Kodaikanal’s Green Valley View suicide point. Nandu (Karunas), Shanmugam (Thambi Ramaiah), and a mute friend are part of Sera’s crew. Sera meets Kavitha (Bindu Madhavi) when he and his crew retrieve her sister’s body from a gully after her sister had committed suicide with her boyfriend. Kavitha falls in love with Sera. A parallel plot is of Ayya (Jayaprakash), who trades in stolen tea, with corrupt officials turning a blind eye to his activities. Iyya’s gang kills 4 police officers during a raid and throws the dead bodies from the suicide point. Ayya, who knows Shanmugam, threatens him not to retrieve the bodies of the police officers. Fearing for their lives, Shanmugam tries to convince Sera not to retrieve the bodies. Brushing aside Shanmugam’s fears, Sera’s crew retrieves the bodies. After retrieving the bodies, Sera informs the police of the murder by Ayya, resulting in Ayya’s arrest. Ayya comes out in bail, and his men kill Shanmugam, Nandu, and Sera’s mute friend. Sera kills Ayya’s henchmen. Kavitha consoles Sera, and they both decide to run away from Kodaikanal to lead a peaceful life. They both board a jeep, and on the way, Ayya arrives with his men, and they start attacking Sera. Sera kills most of them and also Ayya. He rushes back to the jeep but is shocked to see Kavitha dead. Sera understands that Kavitha was accidentally stabbed to death during the fight. Sera cries loud, jumps from the mountain, and kills himself along with Kavitha’s dead body.

A demanding father pressures his son into attending medical school, despite his protestations that he does not wish to study medicine. However, due to a mix up at the admissions office, the man’s life changes forever.