This story continues after Fairy Sword 4. Yun Tianhe and Liu Mengli's son Yun Tianling went out to explore and met the Shushan sword cultivator on the way. Later, they met the female snitch Huang Yijiang by chance, and then together they went to the Kunlun Sword Tomb to look for Murong Ziying. After finding the magic sword, he went to Shu Mountain, and then learned about the demons' conspiracy. In order to prevent the demons from invading, they met the Buddhist disciple Xu Kongzi and the demon princess Liu Ruozhu during the adventure, and then the four of them started to fight against the demons together.
