A rich estate owner is killed by his second wife and her brother Aadimoolam (Radharavi). The estate owner’s son Raja (Rajinikanth) returns from the USA and learns of this. In order to bring the culprits to book, he makes his friend Sethupathi (Janagaraj), a rickshaw puller, act as Raja. But soon, Aadimoolam learns of this and kills his own son and frames Raja as the killer. Raja is sentenced to death. In between, Raja loves Senkamalam (Radha), sister of an employee in his estate. in the same village where Raja lives, there exists his lookalike, Chinnaraasu (Rajinikanth again), whose aim in life is to wed his sweetheart Lakshmi (Nadia). Raja escapes from jail, meets Chinnaraasu and makes Chinnaraasu take his place in jail. After many twist and turns, Raja brings the culprits to book. At the end, Raja marries Senkamalam and Chinnarasu marries Lakshmi.

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.

A minister on his deathbed reveals to an MLA the whereabouts of billions in cash that he has stashed away. However, the minister’s relatives are vexed when the MLA loses his memory in an accident.

The movie begins in a bar, where an aspiring director meets his friends. One of his friend, Meenakshi Sundaram (Aadhavan) says he has a beautiful horror story script from his own experience and narrates what happened in his friend’s life.
Venkat (Vivanth), is a software engineer who is unlucky in whatever he does and is a sore loser. He is often taunted by his colleagues and is a loner. His only friend is Meenakshi Sundaram. One day, his boss at work admonishes him in front of the whole office for his performance, so in sadness he gets drunk that night and is involved in an automobile accident, where a young girl Divya (Eden), is killed. He panics and leaves the place and goes to his house.

Shakthi (Bharath) becomes the managing director of Rajasekhar group of companies following his father’s death. He feels highly dejected because of troubles surrounding him such as continuous loss in business and also his girl friend Anita (Shammu) ditches him and marries another guy. Above all Shakthi develops enmity over his mother after she decides to remarry following her husband’s death.
Bombarded with troubles, Shakthi one day leaves his office and boards a train without even knowing the destination. In the train, Shakthi meets Anjali (Tamannaah), who is more bubbly and talkative and she is on her way back to her hometown Theni after completing her studies. Anjali keeps talking to Shakthi continuously which irritates him. Shakthi plans to jump from the fast moving train to end his life, but due to Anjali presence, he could not do it. Anjali informs Shakthi that she is in love with Gautham (Munna) and also about her plans to elope with him as her family is highly orthodox.

Soundarya aka sweety (Anushka Shetty) is a carefree working girl, who is a foodie and enjoys her life to the fullest. But her mother (Urvashi) is worried about her obese daughter and all the grooms that she finds reject Sweety as she is fat. Frustrated by all the rejections, Sweety says “No” to Abhi (Arya) who is apparently smitten by her innocence and kindheartedness. Later, Abhi falls in love with a fitness freak Simran (Sonal Chauhan). But slowly somewhere down the lane, Sweety takes a liking for Abhi but is shattered when she realizes that he is in love with Simran. Sweety decides to join a slimming center to lose weight as advised by her mother. What happens then ?

The movie begins with two kids who fight with each other in a marriage hall. They meet after two decades, now Krishna (Prasanna) and Ramya (Laila) during a college cultural meet and again lock horns with each other. Fate brings them together in Chennai after a few years, again fighting with each other. Meanwhile, a series of events forces Krishna’s close friend Aravindh (Karthik Kumar) to come to India from the USA to get married. His parents arrange his wedding with Ramya. Ramya, who decides to get married to help her younger sister’s love, displays herself as a passive character who accepts whatever the life partner feel is right. On the contrary, she is bold, active, independent and assertive in nature. Knowing this, Krishna tries hard to let her true character come out. However, Aravindh stalls the wedding plans and returns to the USA as he finds Ramya as a person who does not think on her own and not independent. Mistaking Krishna for influencing Aravindh, Ramya locks horns with him.

Magic Meenu, a small-time magician in Neemuch, M.P., has to win a local football tournament in order to marry the girl he loves.

The film revolves around Krishna (Jai), who works in an IT company. He has three friends: Ramesh (Karunakaran), a bank cashier; Moideen (Kaali Venkat), an auto driver; and Souwmya (Naveen George Thomas), a call center executive. Krishna goes on a vacation with his colleagues, where he falls in love with his colleague Divya (Pranitha). Everything goes fine in the initial few days, and their love life is a bliss. One day, Divya breaks up with Krishna, citing a reason she is going to marry someone else. Krishna gets depressed and consults a psychiatrist Muthu Vinayagam (Thambi Ramaiah). Muthu advises Krishna to get in touch with his friends whenever he feels depressed. Krishna reaches out to his three friends, who turn out to be busy with their personal lives. Krishna gets dejected, rents a lodge, and gets drunk. He calls up his friends and threatens them that he is about to commit suicide. Realizing their friend is in serious trouble, they immediately act upon to reach out to him. As they are unaware of his location, they are not able to find him. During the search process, all three of them get into various troubles for no fault of their own. Will they be able to reach out to their friend and stop his suicide constitutes the rest of the story.

One morning in his house, Saravanan receives his ex-girlfriend Meera’s wedding invitation. He and his friend Paarthasarathy aka Paartha leave for Pondicherry to attend the wedding via car. En route, Saravanan recollects his past: He was a ruthless youth working in a film theatre with Paartha. He lives with his parents; his father, Varadharajan, who is educated and works as a college professor and his mother, Shenbagam, who is uneducated and is trying to pass an exam, just to get her college degree. One day in traffic, he sees Meera, a girl training to be an air hostess and falls for her on site. He follows her to a cloth shop and also to her Air Hostess class. He saw her house and he and Partha go to her house, as Meera calls them. There, Meera threatens Saravanan by showing her father’s photo, who is a Deputy Commissioner of Police (DCP), Mahendra Kumar. But still, Saravanan follows her and asks her to love him. Meera takes him to Mahendra Kumar’s office and he asks Saravanan to stop following Meera. Meera tells Saravanan that she has some qualifications required by her lover like shaving regularly, dressing well, breaking his friendship with Paartha, coming on time, etc. Saravanan tells this to Partha and Partha asks him if he or Meera is best for him. Saravanan tells him Meera is more important to him than Paartha, causing a break between Saravanan’s and Paartha’s friendship.
Later, Saravanan joins Paartha’s broken love and asks him to rejoin his love. Partha agrees and then they go to Mumbai, following Meera in a flight. There, Meera alas tells him that she loves Saravanan. After some months, Meera calls Saravanan once, but he does not pick up the phone and tells Paartha that Meera is not his real love and it is all nothing, but a drama. But, he really said that for fun. But, Paartha had accidentally switched on the phone while Saravanan told him all this. Meera, mistaking him for intentionally misusing her, comes there and breaks their love. Now, at Pondicherry, during Meera’s marriage, both Saravanan and Partha end up drunk and tell a small story, in a comical way describing the broken love of Saravanan and Meera. Just as the marriage is going to happen, Rajini Murugan, a local don, comes there with a pregnant girl and his girlfriend and reveals that Meera’s groom has a girlfriend, who is pregnant by him and that the girl Rajini Murugan is with, is that girl. The groom admits to his mistake and reunites with his old girlfriend. Saravanan and Paartha walk off the marriage hall, just then Meera comes and hugs Saravanan, hence reuniting with him.

Quite annoyed with the troubles of living the life of a lower middle-class person, Sathya (Jai) decides to go to any extent to make money to run his family. Along with his friend Paari (Daniel Annie Pope), he meets Samuel (Ilavarasu), who promises to provide him money if he can forge documents. Sathya and Paari open a travel company and start dreaming of a happy life. However, a cop (Bose Venkat) who knows about the fake documents threatens to put them in jail if they fail to arrange a sum of ₹10 lakh in two days. Sathya sends his family away and starts searching for money with Paari. Gajendran (Robo Shankar), a rich man who is madly in love with Keerthy (Reba Monica John), offers to give them the money if they help him succeed in his romance. However, circumstances force Sathya to kidnap Keerthy, which earns him the wrath of a human trafficking group.

Unemployed Shakthi Singh lives a poor lifestyle along with his widowed and ailing mother and a sister. His mother falls ill and gets admitted in hospital. While on his way to an interview with HSBC, Shakthi sees a beautiful girl, gets distracted and misses his bus – route No.12B. As a result he misses the interview, and ends up getting employed as a Garage Mechanic with Madan, his friend. He does meet with the same girl, gets to know her name is Jyotika, who lives a wealthy lifestyle with her mother, Sulo, while her dad is away on business. Both continue meeting not aware that her marriage has been arranged with Pratap. This story also depicts the possibility of Shakthi catching the 12B on time, attending the interview and getting hired, pursuing Jyotika in vain, and ending up in the arms of his co-worker, Priya. Both possibilities end up with Shakthi getting involved in a vehicle accident – and no guarantees that he will survive or wed Jyotika.