During the seventh-century, the land which is now Korea was fraught with political and religious intrigue. The country was split into Three Kingdoms, each fighting for supremacy: Silla, Koguryo, and Paekche. Besides the warring kingdoms, there are three religions in conflict: Shamanism, the ancient female-dominated faith wherein Shamanist priestesses wield great power at court, foretelling the future, performing important national rituals, and healing sickness; Buddhism, the contemplative State religion; and Confucianism, a recent import from powerful China.  Written as a first-person diary, a young princess expresses her frustrations at not being able to study astronomy because she is a girl.