The story centers on Dongfang Yuechu and Tushan Honghong, recounting their love story from 500 years ago. Young Dongfang Yuechu mistakenly enters Tushan, where he lives as a "lowly servant." Years later, to fulfill Tushan Honghong's wish—peaceful coexistence between humans and demons—Dongfang Yuechu resolutely leaves Tushan to join the Yi Qi Dao Alliance, becoming its leader. However, just when everything seems to be progressing smoothly, danger is slowly approaching…