The Heavenly Sound Silk Thread was a web literary work that mainly narrated a fantasy world that was formed by the interweaving of various mysterious forces. The main character was a youth named "Xiao Yan". The story revolved around the battle between Xiao Yan and the Heavenly Sound Thread, the Yan clan and the Xiao clan. At the same time, it also involved various mysterious factions and people. The work was very popular on online platforms such as Jinjiang Literature City.