"Twin Moons in Rivers and Lakes": The chivalrous girl Shen Zhuyue travels around the world to find her lost sister; the medical girl Lin Wanyue lives in seclusion in the valley and saves countless people. Zhuyue was injured and was rescued by Wanyue, who discovered that Wanyue was actually her biological sister. After the sisters recognized each other, one used a sword to defeat the conspiracy, and the other carried medicine to save sentient beings. They join forces to expose the evil deeds of the devil's sect. In the light of swords and shadows, the sisterly love sublimates into a mutual intention to protect the peace of the world.
