Qiusui, a modern-day veterinarian, travels through time and rescues Yan, the amnesiac former Crown Princess, and the young imperial grandson, Feng Jingzhi, during a palace coup. As they flee, Feng Yuan's pursuers surround them, but Qiusui understands animal speech and enlists the beasts of the mountains and forests to drive away the soldiers. After enduring countless dangers, the three arrive at Yan Pass, where they encounter a villainous confidant carrying a forged imperial edict. Yan Yi reveals her formidable skills to protect everyone, and Yan General and his daughter are finally reunited. Qiusui stays at the frontier, using her medical expertise and ability to command animals to assist the Yan family, protect the young imperial grandson, and fight the treacherous forces at court.