The imperial ninth princess Su Xiaobao, reincarnation of a flora and fauna spirit, is welcomed back to the imperial palace from among the common folk. Pure and kind, she possesses a natural healing spiritual power that melts the icy heart of her tyrannical father, Emperor Nangong Shiyuan. The universally adored Xiaobao wins the affection of the princes and elders, using her ingenious ideas to promote rice-paddy fish farming and pharmaceutical improvements. Facing palace intrigues and court disputes, she resolves conflicts with a pure heart. The second prince volunteers to head far to the borderlands, bringing the palace's healing tale to a staged conclusion.