A fight between the Southern and Northern Dynasties, a thimble, a Southern novel, and a legend about the Nine Gates. When An Jinxi, the descendant of Jin Xiaowei, accidentally traveled to the world of the Nine Sects because of the Bi'an Stone, what kind of sparks would arise when the Southern Sect met the Northern Sect. What exactly is it? Who is that mysterious man in black? The secret of the other side stone? Can she return to the living world, or will she settle in a different place? Where to go, who is the destined person?