Japan 1865 the women's palace in the great city of Edo.
Bristling with intrigue and erotic rivalries the palace is home to three thousand women and only one man - the young shogun. Sachi a beautiful fifteen-year-old girl is chosen to be his concubine. But Japan is changing and as civil war erupts Sachi flees for her life. Rescued by a rebel warrior she finds unknown feelings stirring within her; but this is a world in which private passions have no place and there is not even a word for 'love'. Before she dare dream of a life with him Sachi must uncover the secret of her own origins - a secret that encompasses a wrong so terrible that it threatens to destroy her ....