Fourteen years after Sekigahara, the Tokugawa shogunate moves to eliminate the Toyotomi clan for good. Nobushige Sanada escapes house arrest and answers the Toyotomi's call to defend Osaka Castle, joined by ten ninjas — the Sanada Ten Braves. What follows is the final chapter of Japan's Warring States period: a story of loyalty, sacrifice, and the bonds formed between Nobushige and the warriors who followed him to the end.