This manga adopted the typical ninja storyline; the story was set in before and after the historic Hanzo-Hattori clan had been ruined and featured three main motifs, namely ninjas controlled by Yukimura SANADA, the hegemony of the Tokugawa clan and fought behind the scenes by the shogunate spy group led by Hanzo who aimed to reign over the ninja world.
舞台の時期は史実の服部半蔵家が取り潰された前後にあたるが、この時期を舞台として真田幸村配下の忍者と、徳川氏の覇権と忍者の世界の制覇を目論む半蔵率いる徳川忍軍の暗闘というモチーフは、忍者ものの物語の定番といえる。