Yun Qing, a Miao girl, was born into a family of southern borderland witch doctors. Her father, renowned for saving lives and healing the wounded with gu techniques, gained recognition and entered the imperial palace to serve as an imperial physician. For generations, the Yun family has planted in their own bodies their secret technique—the *Undying Gu*—as an extra safeguard for their kin. This gu can bring the dead back to life, but it can only be used once in a lifetime; it may be used for oneself or to save others, yet it is never輕易 bestowed. Three years ago, Third Prince Xiao Lichen was ordered by the emperor to suppress the rebellion in the southern borderlands. He was assassinated and killed, only to be discovered by Yun Qing, who was out at the time. Yun Qing had long admired the renowned Third Prince; seeing him dead, she did not hesitate to use the Undying Gu in her body to revive him, bringing him back from death. Severely injured, Xiao Lichen regained consciousness but was temporarily blind. Coincidentally, Yun Qing, suffering the backlash of the Undying Gu, lost her ability to speak. During Xiao Lichen’s recovery, Yun Qing took silent care of him, moving him deeply. Th…