This is the story of the deep bond formed between the young Mu Tingyun and Yanyan, a Crimson Flame Fox. Under Grandpa A Fu's guidance, they embark on a fantastical journey of cultivation. During his training, Mu Tingyun unexpectedly awakens ancient memories, and the long-lost, mighty cultivation technique known as the Primordial Flame Sun Art returns to his mind. With Yanyan's help, he cultivates according to the technique, breaks through one level after another, and rapidly grows stronger, setting out on an extraordinary cultivation journey full of the unknown and new challenges.