The novel revolves around the fate of Luo Yunyi, the chief disciple of the Tianshu Sect: she lost all her cultivation overnight and fell from the clouds to become the laughing stock of the sect. In order to maintain the alliance between the sect and the Seven Kills Hall, her father forcibly married her to Xiao Jin, the young master of the Seven Kills Hall. On their wedding night, Luo Yunyi was shocked to see a broken sword embedded deep in Xiao Jin's chest. The strange patterns on the sword were exactly the same as the world-destroying ancient sword in the Tianshu Sect's restricted area. Xiao Jin even told her that she was the chosen vessel of "Sword Skeleton". At this time, his father urgently knocked on the door to report that the traitors from the Seven Kills Hall colluded with foreign enemies to raid the forbidden area in an attempt to seize the ancient sword of destruction. A crisis suddenly broke out that related to the survival and fate of the sect.