Asuran Synopsis: A family from the underprivileged class is on the run after the teenaged son kills a rich man from the upper caste. Can the pacifist father be able to save his hot-blooded son?

The family is that of Sivasamy (Dhanush), a small farmer from the lower caste. With Narasimhan (Aadukalam Naren), a rich landlord from the upper caste, plotting to grab his three-acre land, to build a cement factory, the tensions are running high between the two families. Things escalate when Sivasamy’s hot-headed elder son, Murugan (TeeJay Arunasalam) humiliates Narasimhan, and the latter retaliate by having him brutally killed. Sivasamy still tries to protect his family by taking a pacifist approach, his angry teenaged son Chidambaram (Ken) unable to see his mother Pachaiyamma (Manju Warrier) suffering, kills Narasimhan. With the landlord’s relatives baying for the youngster’s blood, can the patriarch save his family and put an end to the enmity?