Medical rescue agent Lin Yunxi time-traveled with a high-tech space to the Dongsheng State after a plane crash, saved the Eighth Prince Murong Hao who was being pursued by the Gold and Silver Pavilion, subdued bandits to settle in Qingshan Stronghold, and led the villagers to wealth through various agriculture, industry, and commerce. The two spent days and nights together and developed mutual affection. Lin Yunxi entered the capital to neutralize Su Qiqi's poisoning plot, befriended Prince Gong's heir, and skillfully resolved the couple's knot of the princess. Later, encountering a plague plotted by the Gold and Silver Pavilion, they were helped by the Luo family during their search for medicine, and Elder Luo revealed the hiding place of the Gold and Silver Pavilion master. When everyone besieged Gold and Silver Pavilion master Lan Jingyi, Lin Yunxi was attacked by Lan Jingyi and hung by a thread.