The story takes place in Kunshan, the Mirror World, and the ancient continent surrounded by immortal gates. Lin Zhimo was expelled from the school and devoted himself to seeking return, and was involved in fierce battles and intrigues; Qi Qingyang struggled with the hereditary disputes in his family and negotiated diplomatically among major sects; Wei Xueqin saved lives and injured, on the road of redemption and revenge; Xun Feng circulated among casual cultivators, rivers and lakes, and the demon world, constantly looking for where he belongs. Multiple story lines are intertwined, undercurrents are surging inside and outside the fairy gate, and the demon king of the mirror world secretly lays out a chess game. The fate of the people gradually intertwined. After a Kunshan Sword Fair, they jointly uncovered the crisis in the fairy world. Evil ways invaded from outside, sects fought within, and their emotions and beliefs were tested. As the truth is gradually revealed, everyone has to face their personal demons and the collapse of the times, and ultimately choose redemption and return.