Synopsis：A few years ago, the Imperial Sword Pavilion of the Demon Hunting Sect sealed the strongest demon king-Mrs. Golden Snake. A few years later, the imperial sword that sealed Mrs. Golden Snake is stolen, and Mrs. Golden Snake is gradually revived. Qu Ling, the little demon guarding the Imperial Sword, joins hands with the disciple Bian Xiaoya of the Imperial Sword Pavilion to find the Imperial Sword, so as to seal Mrs. Golden Snake once again.