As the curtain falls on Iron Fist Tournament 4, Jin Kazama carves a vengeful swathe through his family, defeating Kazuya and Heihachi in a furious battle at Mishima Zaibatsu headquarters. Suddenly an army of Jacks bursts through the walls and ambushes the Mishima clan. Jin flees and Kazuya betrays his father by heaving him into the path of the murderous Jacks to escape himself.