The peaceful life of a gas station owner is disrupted when a man from his past arrives in town and forces him to return to the dark world he had tried to escape.

Just when Charlie is feeling especially frustrated by the lack of excitement in her small town in California, she receives wonderful news: Her uncle and namesake, Charlie, is coming to visit. However, as secrets about him come to the fore, her admiration turns into suspicion.

In 1701, Lord Takuminokami Asano has a feud with Lord Kira and he tries to kill Kira in the corridors of the Shogun's palace. The Shogun sentences Lord Asano to commit suppuku and deprives the palace and lands from his clan, but does not punish Lord Kira. Lord Asano's vassals leave the land and his samurais become ronin and want to seek revenge against the dishonor of their Lord. But their leader Kuranosuke Oishi asks the Shogun to restore the Asano clan with his brother Daigaku Asano. One year later, the Shogun refuses his request and Oishi and forty-six ronin revenge their Lord.