As a result of a superstitious belief that twins bring bad luck to the family, newborn twin princesses are separated. Yukihime, who was sent away to be raised by a yakuza family in Edo, returns home after many years to settle an old score.
Orphaned Kiku was raised at a Buddhist temple and learned theatrical arts and martial arts as a child, which were used to put on stage productions to raise money for the temple, but also to display young lads who were essentially for sale to the highest bidder. When Kiku gets fed up with how the temple uses the orphans and wants to leave he gets accused of a double murder and has to flee for his life and liberty.
The death of a samurai in a palanquin leads girl detective Oshichi to take action to crush a plot to overthrow the Shogunate.
