ASP Walter IPS, who plays the titular role as a cop, gets the mandatory, yet routine hero introduction scene when a protest turns violent in Kumbakonam. Later, he takes up the case of a couple who seeks his help to find their newborn baby. Walter suspects foul play when he comes across similar cases, and sets out to investigate the crimes, accompanied by his subordinate Paneerselvam. Meanwhile, the ego clash between Eshwaramoorthi, a leading politician in the town, and Bala, who is considered to be his successor, intensifies. Their ego clash brings Balu's friend Arjun, who is linked to the kids who have gone missing, into the picture. How Walter faces several odds in his attempt to nab a criminal syndicate forms the rest of the story.
A business tycoon decides to adopt a stranger after he saves her life when someone tries to kill her. It turns out, the stranger has a murky past and while she tries everything she can to save him from it, fate brings him at crossroads with his past life.
Suraj Singh is addicted to drugs and as a result witnessed his girlfriend being raped in front of his eyes with him being helpless, from here on he vows to put an end to all drug dealers and started to work as a hit man for an underworld don, Daaga also known as Justice Dharmesh Agnihotri. He also meets and make enemy with a lawyer, Karan Srivastav, who is looking for the murderer of his father, journalist Chandrakant. As time proceeds, Suraj and Karan would frequently get into brawls in front of the society to the extent that each of them will now do anything to kill the other. Unknown to both that one person is responsible for there lives being upside down and he is under the veil of respectability - non other than Justice Dharmesh Agnihotri alias Dagga.
Narasimha is a man on the run with his one-year-old son. He reaches Kumbakonam and stays at the house of the village temple's dharma karta's house. But while there, he bumps into Gowri who seems to dislike him for some reason, despite being his childhood friend. A death row inmate Rami Reddy also seems to hold a grudge against Narasimha. Who is Narasimha and what did he do to make so many enemies?
Rudra Tandava follows a timid young man who has a loving family. When his brother, a government official, is murdered, the protagonist and his father plans to take revenge in their own separate ways.
The lives of twin brothers Annadurai and Thambidurai change radically following a murder that the former commits. How does he ensure that his sibling regains his old life?
Santhu is the typical do-gooder youngster, who is also the angry young hero. He falls for college student Ananya after a series of chance meetings. But, there's also dreaded don Deva in the picture forming the triangle.
A family man gets stuck inside a building with a prostitute, whom he had solicited. As time goes by, the probability of him being caught red-handed by his family or neighbours keeps increasing.
Raghurman infiltrates Nana Bhai's criminal organisation to find evidence of his wrongdoings. When Nana learns of his plans, he massacres Raghurman's family and only his son Rajaram escapes. When he grows up, Rajaram sets out to destroy Nana Bhai.
A fearless young man sets out to avenge his brother's death by eliminating the devious criminals responsible for the murder. In the process, he must also fight for justice and save the labourers' and students' unions from the gangster's ruthless tyranny. Will he succeed in his mission?
Kambilikkandam Jose (Subair), a drug baron reaches down to Kochi to meet Pattakkalil Purushothaman Pillai (Vijayaraghavan), demanding a huge hike in his commission. Popularly known as Appichai, Purushothaman Pillai is one of the largest drug dealer in south India, along with Sethumadhavan (Sai Kumar), his foster son. Appichai calls back Sethu, who is on a vacation in a cruise ship in Goa. Sethu, on his arrival back in Kochi kills Jose, with the help of Balagopal (Ramu), the IG of Police. But the death of Jose creates a strong protest inside the state and the Chief Minister (Janardhanan) orders a detailed investigation on the matter. Narendran (Mammootty), the Assistant Commissioner of police, is assigned the charge of investigation. Popularly known as Nari (tiger), for his aggressive and belligerent style of behavior, Narendran, begins his probe
Jagan alias Chinna is industrialist Lion Rajendra's jobless son. He falls in love with Sunanda. Meanwhile he suggests that his father and his rival Raghunath get into a partnership to double up their efficiency. Without his knowledge his marriage is fixed to Raghunath's daughter, who obviously turns out to be Sunanda, but the families are not on great terms even after they fix the match. Raghunath is dealing in tobacco businesses that is actually owned by Bonala Shankar, a brusque and notorious MLA. Rajendra doesn't want to deal in that area, but Bonala threatens the board of directors too. Now Jagan has to deal with this corrupt politico and plays a game with him that shakes him from his very roots-spreads a rumor that he hit Shankar.
Puli joins the police force since he wants to avenge his father's murder at the hands of Al Saleem. He gets an opportunity to bring Al Saleem to justice after he saves the life of the PM of India.
Krish is a happy-go-lucky guy who lives with his brother and sister-in-law. He woos a girl named Manju. Manju happens to be the daughter of a Mla Simhachalam. Krish's only intention is to become rich by marrying her and doesn't have any feelings whatsoever toward her. He also meets a girl called Meenakshi, aka Meenu ; he starts to like her for real and falls in love with her. Meanwhile, Simhachalam and Shinde run against each other in a presidential election in Delhi. Shinde is a man of misdeeds. Shinde tries to find faults in Simhachalam's personal life so that he can expose him in front of the high command of the party, so that his route will be clear to get the party ticket. Shinde comes to learn that Simhachalam has another wife (Sita) and a daughter who live in Hyderabad. He sends his men to find them. .
Gurupadam, a ganglord, kicks out his driver due to certain accusations against him. The driver's son, Burma, grows up and joins the boss's gang with revenge on his mind.
Employed with HMTV, Pavan/Abhimanyu lives in Hyderabad and is in constant touch with his retired father, Krishnamurthy, and mother. His boss, Sudarshan Babu, hires a Creative Consultant, Surya/Prabhakar Garu, their TV channel undergoes a number of changes, and he gets to interview various people. He meets with Anjali, an employee with Airtel, and both dramatically fall in love. While investigating corrupt politicians, he comes across evidence and decides to join the gang of a gangster named Bada. Still involved in gathering evidence, his world will come crashing around him when he will be told that his parents and many others have been killed after their bus was torched by hooligans. He sets out to also trace who was responsible behind their killing - not knowing that his life is also in danger.