The last of the Kurokuwa ninja--all but wiped out by Ogami Itto, the late Lone Wolf--has seen through Mamiya Rinzo's conspiracy to control the shogun with potent drugs. But when she tries to stop the plot, she finds herself being used as a pawn in Rinzo's final assault on rogue swordsman Togo Shigekata, Togo's young "cub" Daigoro--and on his own renegade daughter!