This action-oriented family drama revolves around Velan (Prashanth), the responsible son of a village landlord (Vijayakumar). Adored by the villagers for his good deeds, Velan gets a shock when the man he thinks is his biological father, confesses that he was found in a injured condition and adopted.
A shocked Velan sets out on a mission to learn everything he can about his true origins. He reaches Chennai and comes to know that his family members were killed by a dreaded gangster Deva (Vijayan). He then takes a solemn vow to kill the gangster responsible for the destruction of his family. Assuming aa new avatar named Jambhavan, he starts to kill rowdies in the society.