In Meiji Era Japan, Yugiri, an oiran in Yoshiwara, has her freedom bought by a wealthy patron after her popularity drives her price so high that no one can afford her. She moves with him to the former location of Saga Prefecture, which has been absorbed into Nagasaki following the Saga Rebellion of 1874. Her patron soon dies, leaving her alone in an unfamiliar place. One day, she happens upon Kiichi Momozaki, a local young man who is determined to restore Saga's status as an independent prefecture...