Song Qingzhi, daughter of the Censor, sees her entire family slaughtered by Crown Prince Xiao Jingheng. She disfigures herself, takes on a new identity under the name Bai Zhi, and enters the palace to seek vengeance. On her journey, she meets the imprisoned deposed crown prince Xiao Wuyou, and the two form an alliance against their powerful foes. Using her medical skills to navigate palace intrigues, she ultimately helps Xiao Wuyou ascend the throne. The injustices suffered by the Song family and the late Empress are redressed, and they rule the realm side by side.
