Balakrishnan and Ashok are two childhood friends who lose touch with each other. One of them goes on to become a national figure and the other, a village barber.

When the movie opens Devan(Arun Pandiyan) murdering photographer Jeeva(Thalaivasal Vijay) in cold blood in his house. Jeeva strategically positions a video camera to capture the impending murder but Devan never shows his face to it. And when Jeeva shouts out the name of his killer before dying, the audio is lost at that point. While the police search for the killer, Devan zeroes in on Chetta (Saikumar) as his next target. He follows Chetta to Chandigarh but is apprehended by CBI officer Ratnavel(Vijayakanth). But once Ratnavel realises Chetta's true nature, he begins to help Devan, even hiring successful lawyer Chakravarthy(Karthik) to fight for him. The flashback shows that Devan's sister (Kausalya) was killed by Chetta, Devan wants to avenge the death of his sister. In the climax, villain is killed.

Sethu falls in love with the village head's daughter. However, things are not all that smooth, as his elder brother is given the responsibility of protecting the girl's honour until she is married.

Thyagu, a singer and music instructor, lives as a tenant where a young woman is a co-tenant. Their lives change when Thyagu shares shocking information about his past.

Akira and her band as they go into the dense forest to research on the sounds of nature. Akira celebrates her birthday there with her band mates and receives a gift of a beautiful Cinderella gown. But when she wears the gown, her behavior starts to change, as if she has been possessed.

Gautham meets Dr Rajasekhar, a psychologist, to learn about his memories pertaining to a girl named Gayathri. Rajasekhar learns that he is looking for Shanmugam, who he thinks has killed Gayathri.

968 AD. The Pandyan assassins gather once again to destroy the Chola dynasty. Now the mighty Chola princes must fight the Pandyas, the Rashtrakutas and other Chola enemies who have joined forces. Also, at play are the rumours of Ponniyin Selvan’s death at sea, the powerful Pazhuvettarayar’s betrayal, and the tragic destiny of Aditha Karikalan, whose heart was long lost to the vengeful Nandini.

A stranger keeps calling the police control room to hint about various crimes and accidents that are about to occur in the near future. Can the police department stop an accident based on his information and also find out who their mysterious informer actually is?

The film begins with Siva escaping from jail, Siva is a convict who failed to kill the politician R. K. twice. At the transfer of power, R. K. will take oath as the new chief minister of Tamil Nadu, so he deploys heavy security to protect him from Siva. Before that, Siva manages to kidnap R. K. and hauled him to a television station. Siva tells his past to the audience and the reason behind the kidnapping.