Immortal‑mountain disciple Su Lingxi descends the mountain with four spirit beasts to find her kin. With beast‑taming magic and innate superhuman strength, she saves the virtuous princess‑consort, cures the Prince Xian’s cold poison, uncovers Wen Zhao and Lu Jiaojiao’s plot, and rescues poisoned Lu Yunshuang. Her origin slowly unfolds: she is the long‑lost eighteen‑year‑old daughter of the Eldest Princess and Marquis Zhenbei. Surviving capital rat plagues and Taihu lake bandits, Su Lingxi reunites in Jiangnan with her father Gu Canglan, who lives incognito. The family returns to the capital, she is titled Princess Zhaohua, and they live happily ever after.