The story begins when Lin Fan, a modern young man, accidentally travels to the world of divine eagles and becomes an orphan at the foot of Mount Zhongnan. Forced by fate, he was on the verge of death while being chased by Li Mochou and awakened the "Taixu Sword Heart" - a supreme inheritance that can analyze, devour and transform martial arts skills into immortal sword techniques. With this, Lin Fan embarked on a unique path of cultivating immortality by refining the inner strength of martial arts into the spiritual power of Taixu.