1861, Japan. When a princess passes through Sachi's rural village, she is taken to the women’s palace, home to 3000 women and only one man- the young shogun. As civil war erupts, Sachi flees for her life. Rescued by a rebel warrior, she finds unknown feelings stirring within her. But before she dare dream of a life with him, Sachi must unravel the mystery of her own origins.