Gemini, a gangster, falls for Manisha who reciprocates his love without knowing his truth. After getting arrested and completing his term, he tries to convince his lover that he is a changed man.

The underworld don Billa (Ajith Kumar), featured on Interpol’s criminal list, is hiding and operating out of Malaysia. DSP Jayaprakash (Prabhu) has spent the last few years looking for Billa, leaving behind a life in India.
During a chase with the police, Billa is severely wounded after an accident and dies in front of the DSP. The DSP then secretly holds a burial of Billa. Interpol officer Gokulnath (Rahman) is assigned to work with DSP Jayaprakash to capture elusive Billa as no-one knows of Billa’s death. DSP Jayaprakash keeps the death of Billa as a secret even from his fellow officers, and tracks down a look-alike called Saravana Velu (Ajith Kumar), a lowly pick-pocket. He asks Velu to infiltrate Billa’s gang by pretending to be Billa. In return he will make sure that the child Velu adopted, Karan, gets a proper education.

As the film begins, Arivudai Nambi (Vijay Antony) is killed by his rivals, who fear their position would be threatened if he were to make it big in politics. Decades later, his son Tamilarasan (Vijay Antony) is accidentally drawn into the murky world of behind-the-screens politicking when he is jailed due to admitting to have hit someone on the road. Two gangster-type baddies with political backing become his enemies, and this in turn brings him closer to Karunakaran (Thiagarajan), a political heavyweight who has his own ambitions. A minister sees Tamilarasan as an enemy because he sees in him Nambi, whom he had conspired to murder. Machinations and counter-machinations grow with the growing political ambitions of Tamilarasan, whose rivals won’t let him and his friend Anjana (Miya) live in peace. Tamilarasan boldly faces all this in his game of one-upmanship and realizes his dream of growing big in politics.

An intrepid and good-hearted son fights to make his arrogant father pay the price for his sins, which includes his mother’s death, and save his brothers from the man’s grip.

Raja who is born blind but has extraordinary senses and is a trained skillful fighter is assigned to rescue a girl.

A guy from a small-town takes on a ruthless criminal lawyer for his friend and sister(s).

Two disparate men meeting by accident and the friendship they develop.

Vijay Kumar (Vijay) is an honest and sincere DCP of Chennai. He takes up a case involving the rape and subsequent death of an IT employee Raji. He finds out that the rapist is Ashwin, the son of Labour Minister Vanamaamalai (J. Mahendran). Vijay kills Ashwin and reveals himself as the murderer to Vanamaamalai, who swears to take revenge on him for killing his son. Meanwhile, Vijay falls in love with a medical student Mithra (Samantha Ruth Prabhu) and both eventually get married and lead a happy life. But, Vijay’s happiness is short-lived as Vanamaamalai, his younger brother Ratnam (Azhagam Perumal) and their henchmen barge into his house one night and kill Mithra and Vijay’s mother (Raadhika). They even brutally assault Vijay and attempt to drown Vijay’s baby daughter Niveditha aka Nivi in the bathtub. The dying Mithra manages to rescue Nivi and asks Vijay to take care of her, but not before making him promise that he will quit the police and be a peaceful and loving father to Nivi, following which she dies in Vijay’s arms. Vijay fakes his death, changes his name to Joseph Kuruvilla, maintains a low profile and moves to Kerala with Nivi and his constable friend Rajendran (Rajendran) to protect Nivi from Vanamaamalai and his gang.

After a heist job by Madhan and gang to rob precious cargo becomes a mess, he is under pressure to deliver the loot to his overlords. Things begin to get complicated when Kathir appears and finally reveals what really happened that day.

Asthamanam is an adventure trip of four boys and two girls who go into a forest for trekking. What the forest has in store for the young people forms the arc of the film.

Vasudev Shastri (Utkarsh Sharma) is a topper yet charming man who comes into IIT where the second ranker, Nandini (Ishitha Chauhan), decides to make his life hell. But Vasu is smart and in love with her to be outmaneuver. Besides being the friendly ‘genius’ around campus, he has also got a part-time job working with RAW (Research and Analysis Wing) where his hacking talents are occupied.Vasu was orphaned when his parents were killed in communal riots. He was found by a priest who raised him in a temple complex in Mathura. The life-positive Vasu is the one we see in flashback. In the present, Vasu dresses in all-black, uses a walking stick and suffers from acute tinnitus. This troubled, damaged Vasu is the one who survived multiple bullet wounds during a high-level mission. Special agent Vasu heads a division of RAW called TOCSI, which was tracking public enemy number one, simply referred to as MRS (Nawazuddin Siddiqui). MRS had the ambition of insulting Jaishankar Prasad(Mithun Chakraborty) and thus he wanted Vasu to slap him in public. However at the end, MRS fails in his Vrindavan temple blast and finally Vasu kills MRS by drowning him in River.

Shiva (Mahesh Babu), an officer in the Intelligence Bureau office, spies on people’s calls and messages to help them if needed. He developed a software to listen to the needing ones by tracking their phones. On the night of 16 March, he listens to Charlie/Shalini (Rakul Preet Singh) talking about her wish on getting 98% in her exams from 96% to get a USA scholarship with her friend. In order to do that, she decides to get concentration by dating with a guy. Shiva follows her, and she starts to fall in love, but he does not.
On the night of 28 April, he listens in on a young girl asking her friend for help as she is alone in her house and scared because there is no electricity in her house whilst everyone else on her street has it. Shiva sends his friend, new police constable Renuka (Himaja), to help the girl. However the next day, a news channel declares that the two women had been killed. They were undressed, chopped into different pieces, and were mixed together. Shiva goes to the crime scene and finds it has been a brutal murder. He resigned from his job stating, “I didn’t help them and I should’ve never sent out Renuka,” but his father (Jayaprakash) encourages him to find the murderer. To find out who murdered them, he sets out to ‘spy’ the girl’s chats and whereabouts.