In Hantan in the north, young Lin Hanye collected a black iron sword box and awakened the "Xuan Yuan", the head of the nine sword souls. Since then, he has been involved in a shocking mystery that has lasted for three hundred years.
He discovered that the world he was in was actually a reflection in a "mirror of great emptiness". The real world has long been eroded by demons. Before their death, the nine sword masters used forbidden techniques to copy soul seals and created this mirror world as the spark of civilization. However, the mirror image will be shattered, and the time limit is only one year.
In order to save hundreds of millions of living beings in the two worlds, Lin Hanye embarked on the road of gathering all nine swords. He met Su Yingxue, the descendant of Yuehua, and Jin Xiaoyu, the host of Chaosheng, and fought against the "Supervisory Envoy", the reflection of the devil who intended to swallow the sword soul to open the passage. He also discovered that behind the so-called "salvation plan", there were real and fake wills and betrayals of the sword masters.
From mortal world to nine heavens, from mirror image to reality, from guarding with sword to letting go of obsession. Lin Hanye finally realized: the true Tao is not about killing evil spirits, but about accepting light and darkness; the true eternity is not about transcending dimensions, but about protecting the people in front of you.
This is an epic about swords and souls, and also a journey of enlightenment about existence, choice and love.