After Jin Kazama, the main protagonist of the series from Tekken 3, won the previous tournament, he now has ambitions to conquer the world. Using his resources through the international organization, he gains superpowers and turns against all nations. As a result, the world plunges into a chaotic state. Kazuya Mishima (the main hero who first appeared in the first game of the series) tries to stop Jin's plans. To achieve this, he initially becomes the leader of G Corporation and offers a generous reward to anyone who can stop him.