"After Englishman John Blackthorne is lost at sea, he awakens in a place few Europeans know of and even fewer have seen--Nippon. Thrust into the closed society that is seventeenth-century Japan, a land where the line between life and death is razor-thin, Blackthorne must negotiate not only a foreign people, with unknown customs and language, but also his own definitions of morality, truth, and freedom. As internal political strife and a clash of cultures...

After John Blackthorne shipwrecks in Japan, he makes himself useful to a feudal lord in a power struggle with another and becomes a samurai.