In the era under the rule of Tokugawa's fifth general Tsunayoshi (), the samurai family fully defended the hard-won peace and tranquility. Asano within Carpenter head () as Lord Banshu Ako clan, the righteous reputation as the Quartet. In contrast, harboring evil intentions of Kira Ueno medium (Tadanobu Asano ornaments) and his glamorous but mysterious side room Mitsuki () colluded, conspired to win the world Tokugawa family.
Kay () is an orphan who wandered to Ako when he was a child. His appearance and origins, which are very different from ordinary people, have become the source of many misfortunes. However, in those days, Asano Uchi Takumi took him in and held him for many years. the name of the daughter of US gal (love), living mundane lives on the outskirts of Ako. This sincere man, in order to repay Asano's father and daughter, willingly gave his life.
On the night that General Tsunayoshi searched for Ako, Asano Uchi Takumi was bewitched by Mizuki's magic and rushed into the dormitory with a knife and wounded Kira. Witnessing this incident, Tsunayoshi immediately ordered Asano to amputate himself, and Asano's family was also destroyed. While all are suspect Kira committed, helpless hopeless situation, including the oldest stone house Kuranosuke ( ), including Asano's clan and vassals, are like mourning dogs, scattered and scattered. Soon, Kira invaded Ako Clan and forced Miga to marry him after the end of the one-year funeral. During this period, Kira threw Dashi into prison, and Asano's retainer, who had lost his backbone, became a ronin and lived among the people. Kai Yi was unwilling, but unable to recover, he was sold out of the feudal clan as a slave.
A year later, boulder freed, he was removed to find family and committed son Chikara (people home), he began to plan the crusade against the enemy. After that, he went boating out to sea, rescued Kay who was forced to engage in gladiatorial fights for the pleasure of others, and strongly invited him to join in to rescue Miga and avenge Asano's family. On one side is Kira, who has an absolute advantage by virtue of force and witchcraft, and on the other side is the 47 Ronin who is loyal and courageous, waiting for the opportunity to complete the great cause of revenge. A legend that has been passed down through the ages is about to be staged.