Feudal Japan. The end of the samurai era. Power is concentrated in the hands of most extreme and sadistic shogun and his younger brother. The life of the ordinary people is unbearable. Openly express disobeying to the lord can lead to a bloody war that would result in death of the rebels. The head of the council of elders decided to find volunteers Samurai, for which the honor and dignity are above the fear of death, and to let them remove the maniac. And there are just some of these fearless souls - only 13.