An evil smile crept upon his lips. Two years had passed since The King of Iron Fist Tournament 3. The Mishima Zaibatsu announced The King of Iron Fist Tournament 4 and placed the massive financial empire as the top prize. The champion who manages to defeat Heihachi at the end of the Tournament would inherit the Mishima Zaibatsu. Well aware that the tournament is just a trap designed to lure him out, Kazuya nevertheless enters - it is his chance to defeat Heihachi. Tekken 4 is the first game of the series where players can be heard talking to each other (aside from Julia's Tekken 3 ending, in which she speaks to Michelle).