Sixteen-year-old Seikei, now a full-fledged samurai, travels to Osaka, the city of his birth. While attending one of the city’s famous bunraku theaters, in which life-size puppets are performed by men in black hoods, he is witness to a murder. To his horror, Seikei discovers that his own brother and sister may be involved. Tracking down a lead, he is kidnapped by pirate smugglers. Will Seikei be able to escape, save his family, and find out the dark secret of the puppet theater? Read on to find out.