Veerathevan (Tamil: வீரத்தேவன்) is a Tamil-Dubbed Action film which is Directed by Veeran Selvarasu performed by Kaushik, Meenalotchani, Karate Gopalan on 19 January 2018.

Two youngsters in the pursuit to become the leaders of their gang without violence, find themselves in an uncanny situation that would change their lives forever.

DCP Paramaguru (Ajith Kumar) is an efficient police officer who fights with the scum of the society. He later masquerades as a thief to infiltrate into the underworld. The bad guys are surprised to find that Paramguru is the DCP, out to get them. So they all gang up against him. In this process, a thrilling encounter takes place between the good and the evil. Paramaguru is helped in his fight against injustice by Divya (Meera Jasmine) who falls in love with him.

S. P. Ranadheer (Srikanth) appears as the protagonist while D. S. P. Ravikanth (Prithviraj Sukumaran) appears as the antagonist. Ranadheer is a sincere cop who tries to remove wrongdoers, whereas Ravikanth is a corrupt police officer who has tie-ups with antisocial people. Ranadheer finds Ravikanth to be the culprit but is unable to prove that. In the event, he also loses his wife Harika (Kamalinee Mukherjee). How he manages to prove Ravikanth as the culprit forms the rest of the story.

Two sons of a labour leader, who is framed by his employers, grow up amidst great difficulties. The elder son turns into a don while the younger, protected by his brother and mother, becomes a cop.

Bio-scientist Govindarajan Ramaswamy speaks at the Jawaharlal Nehru Stadium about chaos theory and the butterfly effect. He begins by reciting events from the 12th century in Chidambaram, when King Kulothunga Chola II, a Saivite, persecutes Vaishnavites and intends to destroy an idol of Govindaraja. Rangarajan Nambi, a Vaishnavite, protects it and offends the king, who orders Rangarajan to be executed by being pierced, stoned, submerged into the sea with the idol, before being devoured by the shark, thus the king succeeding.
On 20 December 2004, a nano bio-technology lab in the United States designs a vector-virus intended as a bio-weapon. When they were watching the insound of his lab monkey breaking out of his cage and retrieving a sample of the test virus. The monkey, who thinks the vial as the usual chocolate Govind would feed him, swallows the sample of the virus. Govind and his co-workers watch helplessly as monkey dies. Govind, saddened by the event, quarantines the lab room by filling it with concentrated salt solution, the only antidote to the virus. After understanding the original virus’s lethal potential the hard way, Govind refuses to hand over the main single vial containing the virus, due to fear of misuse. However, his boss, Dr. Sethu, has a malicious plan in mind, and tries to sell it to a terrorist group. Govind tries to sneak the vial out of the lab in order to save the vial from Sethu’s evil plan, but is pursued by the security guard and the police. Govind flees to his friend and coworker Suresh’s house for refuge, who secretly betrays him.

Arul is a normal labour in factory. continuous problems with politicians, he works against politicians and elections.

Sridhar (Tarun) is a final year degree student and gets selected in the campus selections for studies abroad. He goes to Mumbai for an interview and in his return finds Preeti (Trisha) and loses his heart to her. Sridhar comes to know that Preeti was about to join in degree and Preeti learns that he was a final year degree student. Sridhar is an ardent cricket fan, so is Preeti, while Sridhar is also a good football player. The principal of the college appoints a coach called Reshma (Shriya), who is also a student, for the football team led by Sridhar. Sridhar tries his best to trace Preeti by visiting several women’s colleges, while Preeti also watches for Sridhar at the men’s college. Accidentally, Preeti helps Sridhar’s mother, when she had a heart attack. In order to find Preeti at any cost, Sridhar goes to the LB Stadium, where a cricket match is in progress and gets injuries in a bomb blast in the stadium. Just before the blast, both Preeti and Sridhar find each other but could not meet due to the blast.

The movie revolves around Arunachalam (Rajini), who is the son of the VIP of a village who finds out about his past but destiny has its own play.

Dakshna Murthy is a young man who keeps losing his jobs frequently because of his moral ethics. Malar, his sister-in-law is a confident, young, beautiful woman who works in a jewelry shop. Malar lost her husband (Dakshna’s brother) within a month of their marriage. For reasons unknown, her husband is found dead on the railway tracks nearby their hamlet. Despite being a young widow, both Malar and Dakshna live under the same roof because Malar has married his brother opposing her family. Dakshna tries to convince his sister-in-law to remarry, but she keeps refusing.

Theju is a software engineer who goes into a depression following the break up with her boyfriend. She distances herself from her family and becomes an alcoholic.

Young Jeeva (Silambarasan) is the grandson of Seema of Theni. When she was five years old, she kills five persons and goes to jail. She comes out of prison turning nastier than before. She is now a hard-core ‘dada’ and she is feared as well as revered by people in her place, Theni, where she is engaged in all activities which the law forbids. The local police throw up their hands. A police officer, also named Jeeva (Lal), comes down heavily on Seema with all his might and cunningness and finally burns her alive. Meanwhile, a rowdy, also named Jeeva, becomes a thorn in the flesh of police officer Jeeva and he is after his daughter Vedika, who loves Seema’s grandson, a tough guy in the college. While Vedika wants to keep the rowdy off her with the help of Seema’s grandson, he wants to take revenge on her father for killing his grandmother. How he fulfils his task is the crux of the movie.