A rural woman, A Nan, waits bitterly for her lover, who went out to look for a pig and has delayed returning for a long time, and unexpectedly gives birth to a child. Endowed with a naturally formidable physique, she takes her child and the spirit beast Da Huang to travel far to the Lingxiao Sect to search for her old acquaintance, only to learn that her former companion and sweetheart turns out to be Ling Han, the sect master practicing the ruthless Dao. A Nan is accidentally dragged into the power struggles of the immortal sects, gets acquainted with the distressed demon lord Mo Yan, and goes through countless perilous situations. Mo Yan is touched by A Nan's character and spares no effort to rescue her at the expense of his own cultivation. A Nan slowly uncovers her sealed life experience, holds fast to her original heart, and makes her own choice.