Having been thrown off a cliff as a child, Kazuya Mishima enters the King of Iron Fist Tournament to exact revenge on his father, the multi-billionaire Heihachi Mishima. Meanwhile, WWWC operative Jun Kazama and Hong Kong detective Lei Wulong also join the tournament to investigate Heihachi's illegal activities involving cloning and genetic engineering. A handful of other skilled fighters participate merely to win the grand prize of $1 billion, unaware of the tournament's true purpose and the fate that awaits them.