When he returns home to investigate the possible connection of his family's tea shop with smugglers, Seikei, now a samurai, becomes involved in murder at a loca

In eighteenth-century Japan, young Seikei becomes involved with a ninja as he helps Judge Ooka, his foster father, investigate the murder of a samurai.

Samurai Seikei and Judge Ooka, his foster-father, seek seven men who have seven maps on their backs in order to locate a cache of dangerous weapons before they

When a series of fires in Japan's capital points to foul-play, the famous samurai Judge Ooka puts 14-year-old Seikei on the case to discover who's behind them.