The story is set in a rural area around Madurai, in the village called Parithiyur. Paruthiveeran (Karthi) is a country brash, He is often arrested for petty crimes. His one ambition in life is to gain enough notoriety to be on TV news and to be thrown into Madras Jail. He often bullies Paruthiyur villagers for money, women and fun. He lives with his doting uncle Chevvaazhai (Saravanan) who pampers and accompanies him in every misbehavior to keep him happy. His cousin Muththazhagu (Priyamani) is the daughter of a caste fanatic who is a prominent person in the villages council. Muththazhagu loves him more than her life, but he remains unmoved and keeps her at bay. As a kid, Paruthiveeran saved her from drowning in a well. And she promises to marry him and be by his side forever. She starts loving him passionately against her parents will. In order to delay her marriage with anybody else, she fails herself in school to be in the same grade/class. At times he is violent too. When he understands her true love for him and decides to marry her, the feud between the two families comes in the way. Determined as he is to possess her, he warns her against marrying someone of her parents choice. He even threatens to cut her into pieces. Undeterred by his threats, her parents press ahead with the preparations for her marriage with a man of their choice. Since Muththazhagu is not able to convince her parents, she runs away from home wanting to elope with Paruthiveeran. However, she gets kidnapped and brutally raped, when she is found by Paruthiveeran. Muththazhagu beseeches Paruthiveeran, to cut her into pieces, as she is anyway dying and does not want anybody to find her. Paruthiveeran, on her request hence chops her corpse into pieces, and is walking away, when he is found by Muththazhagus father and other relatives. Assuming him to be her kidnapper and Killer, they beat him to death. Thus ends the story of Paruthiveeran and Muththazhagu. Written by Ameer Sultan

Karthi (Shiva), an engineering graduate with an attitude, is on the look out for a job. He does not seem to be much serious in seeking employment while his friends try their best to settle him. He spots Tamannah (Charu) in a bus stop and it is love at first sight. He finds her on a couple of occasions later and in fact misses an interview in her pursuit. Destiny seems to have something good waiting for him and he gets to spend the most beautiful phase of his life, giving her a ride in the car while waiting to pick the owner of the car at the railway station. Life takes an exciting turn from this point for Karthi who accepts to drop her in Mumbai and thus begins Paiyaa's journey of romance, action and emotions on a highway with a few turns, some with caution and some without. Written by Sadiq khan

Kaali (Karthi) is the local Chennai guy, the darling of his mom and the most literate person in his gang, he has a happy go lucky life with his best friend Kalairasanand (Kalaiyarasan). Things go wrong when there arises an issue of a WALL that stands tall amidst a chilling superstitious rumor and finally two groups fight around it. Written by Anonymous

A playful young man leads a very happy life, but everything changes when his father witnesses a heinous crime.

The plot revolves round the life of Karthik (Dhanush) a struggling freelance photographer in Chennai who does portfolios, weddings and other functions. Karthik has a keen interest in wild life photography and friends call him a genius, though he is bit of a loner. His role model is Madhesh Krishnaswamy (Ravi Prakash), a world renowned wildlife photographer and his dream is to be an assistant to this arrogant man. Karthik hangs out with his friends and is extremely close to Sundar (Sundar) who introduces his girlfriend Yamini (Richa) to the gang. Initially Karthik and Yamini cant stand each other but there lies the twist, when opposites attract. Written by Captain

Vinod (Dhanush) is a brilliant child at an orphanage run by a Catholic priest (Nagesh). When admitted to a top university, Vinod leaves the comfort of the orphanage and lives along in a city for the first time. In college, he is ridiculed for his appearance and manners by all except Divya (Sonia Agarwal), who he eventually falls in love with. Unfortunately, there is competition. And unfortunately for the competition, Vinod is not exactly conventional in dealing with crises. Written by Joyojeet Pal

Kathir (Ravi Krishna) is a young underachiever, frequently venting his frustrations through public outbursts. When a north Indian girl Anitha (Sonia Agarwal) moves into his neighborhood, he falls head over heels in love with her, and aggressively expresses interest. When she does not respond favorably, things get out of hand. Written by Joyojeet Pal

Gunasingam, in spite of being the son of the landlord, still works as a farmer. His life revolves around his large family and relatives and he loves them ardently. The family is disappointed when they get to know that he has fallen in love with the beauty of the village, Sayyesha, instead of marrying either of his two nieces which leads to problems in Gunasingams life and family. Written by Santhosh

Rocket Raja (Karthi) is a small time thief who is talented enough to steal anything he comes across. In the company of Kaatupoochi (Santhanam), he enjoys life to its extent and even falls for the charm of a beautiful girl (Tamannaah). However, his life changes forever when a small girl comes to Raja calling him dad. As Raja finds out the girl's past, a flashback reveals that she is the daughter of an honest cop Rathanavel Pandian (Karthi), who is a nightmare to baddies. However, Pandian is now is on the run because his enemies are behind him and his daughter. Eventually, the villains find the whereabouts of Pandian and finishes him off. So steps in Rocket Raja (with the help of Pandian's colleagues who are behind the girl reaching him) into his shoes and finishes the unfinished work of Pandian. He also takes care of his daughter. A roller-coaster ride of fun, joy, camaraderie and romance is what 'Siruthai' is eventually. Written by Wikipedia

Karthi (Sugan), is a playboy who seems to have had a style makeover with his trendy clothes, new hairstyle and colored eye lens. Despite having a gorgeous girlfriend Priyanka (Hansika), Sugan flirts with all the pretty women he meets and they too, are besotted by him. Sugan, on a journey with his childhood friend Parasu (Premji) stops at a roadside eatery for biriyani (food), his weakness. But they gets into a problem after having the dish. Written by Surya Kumar

Kamalakannan aka Kamal (Karthi) comes to Chennai in order to save his ancestral property at Karaikudi from being demolished for constructing an over bridge. He comes across Rajini alias Appadurai (Santhanam). They get together for an interesting journey. There is Sridevi (Pranitha), Kamal's ladylove. Later he learns that corrupted chief minister Boopathi (Prakash Raj) is against his property. Thereby, Kamal uses his mind to demolish the corrupted chief minister's empire. Written by Sundar

یک جاسوس که به دلیل انجام یک ماموریت از خانواده خود دور شده است، ناگهان پسر پلیس خود را ملاقات می کند...