At Tenryuji Temple in Kyoto, a vicious battle royale begins, gathering warriors to fight to the death along the Tokaido. Amid the bloodshed, Shujiro Saga, a man desperate for money, rescues a young girl, Futaba Katsuki, from the violence surrounding them. With the true mastermind of the battle royale revealed to be Toshiyoshi Kawaji, Chief of the Police Bureau, Shujiro's allies move to prevent their next move: the assassination of Toshimichi Okubo! Meanwhile, the ninja Kyojin Tsuge confronts the masterminds head on as his own reasons for joining the battle royale. As the number of participants plummets, the hardened survivors, including Shujiro and his allies, all make their way to the next checkpoint at Shimada, where a deadly confrontation is inevitable…
