Ganesh is forced into an unwanted marriage in order to become rich quickly with his wife’s money. However, his foolishness and misfortune push his wife to attempt suicide.

Ambujakshi alias “Ambu” (Trisha), a film actress, arrives in Europe to spend the vacations with her friend Deepa (Sangeetha), a divorcee and her two children. While going in a taxi, Ambu recalls an early incident regarding her ex-boyfriend Madhanagopal alias Madhan (Madhavan), a wealthy entrepreneur: Three years ago, she was shooting for a film with actor Suriya in a bright park and Madhan was suspicious of her relationship with the actor. While returning, he lets Ambu drive his new car. Madhan advised Ambu to stop acting, but Ambu claimed it as her profession which she cannot give up, leading to an argument that caused their car to crash near a rock. At the same time they blamed a small white car that just passed by, to be the reason for the crash. Unable to bear any more arguments, Ambu broke her relationship with Madhan and walked away.

Vijay (Arjun) is a hitman who works for Sundaramoorthy (Radha Ravi). He kills anybody for a price, other than women and children and he lives alone in an apartment. Pooja (Pooja), a young girl, studies in a boarding school and comes to her father’s house for the holiday. Between her abusive father, selfish stepmother and an arrogant step-aunt, Pooja feels rather badly but she treasures her lovely little brother Dinesh (Mahanadi Dinesh). Pooja tries to befriend Vijay but Vijay is not interested. Her father is a drug smuggler. One day, a corrupt police officer Jayanth (Raghuvaran) kills Pooja’s family including her brother. Vijay decides to accommodate Pooja and Pooja compels him to teach her his skills as a hitman. What transpires later forms the crux of the story.

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.

Naresh (Allari Naresh) is a happy go lucky youth who enters the guest house of Gopal (Rajendra Prasad) which is possessed by evil spirits. He succeeds in impressing everyone as the fake Swamiji who has all the powers to deal with the evil spirits and collects huge remuneration for his job.

After losing his wife, Saroj, during childbirth, Erode, Chennai-based Inspector Mukesh Bhargav, brings up his daughter, Kirtika, on his own, rises up to the position of Assistant Commissioner of Police, battles hoodlums, exposes inept and corrupt police officers, as well as investigates politicians, their nexus with senior civil servants, and the underworld, ignoring the fact that his and Kirtika’s days may already be numbered by his many enemies.

Nakul a 25 year old in relationship with Renne and soon plan to marry .His father Jeetender Kaushik works for railways while mother Priyamvada is housewife whose always taunted by his grandmother.When Nakul finds that his mother is pregnant at the age when Nakul is about to marry he starts to avoid their parents ,friends and society.

A Sathyamangalam-based photographer Gopi and his assistant Alagumani arrive at a remote village called Mundasupatti on an assignment. The natives of this village are superstitious; they fear getting photographed, believing it will lead to death. Gopi falls in love with the village chief’s daughter Kalaivani but is constantly troubled by her uncle Muniskanth. Does Gopi get his lady love?

The film begins with Karthik (Sethu) meeting psychiatrist Valeba Raja (Santhanam) to discuss about his life story. Apparently Karthik has two love stories. He falls in love with Sweety (Nushrath Bharucha) on first sight but when she bashes a guy for wrongly interpreting her friendship as love, our hero decides to put ‘Project Sweety’ on hold. Meanwhile, Karthik’s family plans to marry him to Shalu (Vishaka Singh) but the former tells about his so-called love story to the latter and she offers to help him out by telling her parents they need fifteen days to take a firm decision on wedding. During the process, Shalu and Karthik develop a liking for each other but suddenly Sweety too reciprocates his love to our hero. The rest of the story is all about whether Karthik marries Shalu or not.

Subramani is a fun-loving young man who has two playful friends. They want to become rich without toiling for it. Subramani decides to woo Mahalaxmi to inherit all her wealth.

Kumar (Siddharth) is a software engineer who lives in a joint family. All of the marriages in his family have been love marriages for generations. He, however, swears off girls and love because of bad experiences in his childhood and teenage. One day, Sanjana (Hansika Motwani) joins his office and he falls in love with her. Unable to convey his feelings, he seeks the help of Nokia (Santhanam), a man who earns a living by helping men impress their lovers. Nokia teaches him to be more assertive and flirtatious. He makes Kumar spread the rumour that Sanjana is seeing her boss, George (Ganesh Venkatraman). As a result, Sanjana stops spending time with George. George then asks her to be his girlfriend, coincidentally when Kumar was planning to confess his love for Sanjana. She accepts, leaving Kumar heartbroken. Nokia then intervenes and breaks up George and Sanjana. Sanjana and Kumar finally get together but Nokia tries to break them apart after he finds out it’s his sister he has been helping Kumar with. Then, Kumar admits to Sanjana that he manipulated her feelings but then seeks her forgiveness. Then they get back together, with the acceptance of Nokia who sees Kumar’s true love for Sanjana.

In 2020, three young blokes, Jil, Jung & Juck with nothing in common between them, are assigned the task of transporting an Ambassador car coated with Cocaine-paint by the dreaded drug-lord, Dheivanayagam. Along the way they encounter Narasimhan with an almost identical car who makes small talk & tries to gel with the trio. After a night of drinking the trio escape the pub without his knowledge. But only later do they realize that in a drunken stupor they have taken Narasimhan’s car & not their own.