A high school student with amnesia tries to uncover what has happened to her. All leading her into deeper troubles ultimately revealing a darkness she could not have imagined.

After a night of revelry, Ravi wakes up to find that his world has gone topsy turvy. Ravi’s grasp on reality weakens as the number of bizarre events piles up, and he loses control over his life.

Murthy (Prakash Raj) is well respected in the society in Vijaywada. He is peeved with his son Shiva (Gopichand) and even his family members are unhappy with him, as he roams around listlessly without doing any job and instead getting into unwanted quarrel

Viswanath (Rajinikanth), a famous lawyer, stays with his widowed mother (Vijayakumari) and physically handicapped sister (Uma). He sends Jegan, a rich magnate’s son (Sathyaraj) and Lokaiya, two criminals to jail on the charge of rape and murder of an innocent girl. Jagan’s father, GMK (M N Nambiar) uses his influence and starts creating trouble in Viswanath’s life. GMK succeeds in getting Viswanath imprisoned on a trumped up charge. His heartbroken mother dies. Once out of jail, Viswanath sets out to punish the culprits when he temporarily loses his eyesight…

A brave police officer saves a girl from getting abducted. Although the motive for the crime seems unclear, she and her team investigate and connect the dots, leading them to a drug mafia.

Balu (Vishal) visits his friend Karthik’s (Raja) home in Chidambaram after completion of engineering. He meets Hema (Meera Jasmine), Karthik’s sister, and they develop an affection which transforms into love. Kasi (Lal) is the local gangster in Chidambaram who is feared by the entire town. Balu, on his way back to his place, sees Kasi chasing a man with a sickle. When Kasi was about to kill the man he was chasing, Balu interferes and stops Kasi. An angered Kasi immediately tries to attack Balu, and to save himself, Balu retaliates by hitting Kasi. Only then, Balu comes to know that the person he hit is Kasi. To everyone’s surprise, Balu smashes Kasi in front of everyone and leaves.
Kasi is furious and wants to take revenge on Balu. Kasi’s men trap Karthik’s father and get to know about Balu’s native place. Kasi sets goons to kill Balu but gets shocked when he knows that Balu’s father is Durai (Rajkiran), a powerful man in Madurai, and it will be very difficult to attack them. Kasi leaves to Madurai and waits for the right moment to kill Balu and his family. Meanwhile, Balu meets Hema and her family at a temple. Hema’s father initially gets angry seeing Balu as he was responsible to bring trouble by hitting Kasi, but later, Balu convinces him. Both the families decide to get Balu and Hema married to each other.
One day, Kasi tries to kill Balu but instead attacks Durai. Durai understands that Balu is being targeted and decides to protect him. A localite in Madurai (Thalaivasal Vijay) hates Durai and his family and decides to help Kasi so Durai can get killed. Kasi decides to bring in violence during a temple festival day and utilize that opportunity to kill Balu and Durai. But Balu saves Durai and fights Kasi. In the end, Balu hits Kasi and leaves, challenging him to return if he still has guts to take revenge.

Two dons, Cheliyan and David are enemies. Cheliyan kills David’s brother so David swears to avenge his brother’s death and waits for the right opportunity. Shiva is a youth from Kumbakonam who unites lovers and his family supports him. This brings him several troubles, one of which from David when Shiva stops David’s marriage with a girl who refused to marry him. David wants to know who stopped his marriage and leaves the place without a word after seeing him. This worries his father, Ratnam as he fears that David might harm his son. Shiva hallucinates a woman who he calls Mala, who asks him ‘Why did you do like this?’ and he replies that he will correct everything. He is having a trouble for a reason and his family consoles him. Shiva’s sister is getting married and Shiva ensures that no trouble comes in the marriage. However, on the day before marriage, Shiva had to face a critical situation through David who threatens to stop his sister’s marriage like how Shiva stopped his marriage. Shiva begs David and tells him that he is ready to do anything for him in return of letting his sister’s marriage happen without any problem. David demands him to abduct a woman from Madurai, who is the daughter of Minister Manivasagam, an influential politician Madurai. Shiva agrees and leaves for Madurai missing his sister’s wedding.

Sunny meets with an accident. As his life hangs in the balance on the edge of a cliff in the middle of nowhere, he must not only contend with the great adversity he is in, but the adversaries lurking in the shadows as well.

A young man and woman running away from their homes are taken to a police station, where they become spectators to the goings-on at the place.

Mike Banning is framed for the attempted assassination of the President and must evade his own agency and the FBI as he tries to uncover the real threat.

Govindan (Manivannan) is a thief who has two children. Aadhi (Pasupathy) and Mathi (‘Chiyaan’ Vikram). Years go by and the two, Aadhi and Madhi, decide to stop stealing and mend their ways and lead a hardworking life along with their father. They migrate to neighboring village and meet a retired agricultural officer, Chidambaram (Vijaya Kumar) who is in deep debts and is under pressure from the village’s landlord, Kalingarayar (Murali) to clear his debts. In efforts to help Chidambaran, Mathi confronts Seetha Lakshmi (Asin), Kalingarayar’s daughter, who comes to collect the money Chidambaram owes her father. Seetha Lakshmi starts to acquire a liking for Mathi but keeps it hidden due to her father’s atrocious temper. In an attempt to teach Kalingarayar a lesson, Mathi forcibly ties the mangalsutram around Seetha’s neck. Kalingarayar, realizing his daughter’s love for Mathi, comes down to arrange a grand re-marriage between the two. But things go awry when Manicka Vel (Biju Menon), Seetha Lakshmi’s maternal uncle comes to town in an effort to stop the wedding between the two as he has plans of marrying her and wiping her family fortune.