Muthu and his cousin Karthi have fallen out, but when the latter's mud racing rival looks set to win an important competition, will the brothers unite?

The film Jackie is based on the ancient goat fighting tradition of Madurai. In a village in Madurai, Ramar and Karthi enter their goats into a goat fight competition. Ramars goat wins the competition. Envious, Karthi tries to take revenge on Ramar and his goat, causing various troubles for Ramar. Ramar thwarts these attempts and protects his goat.