Lingxi conceals her true identity as an ancient mythical beast, while Si Beichen hides a past he is unwilling to reveal. After an encounter in the mountains brings them together, Lingxi and Si Beichen embark on a journey into the mortal world. From poisoned medicinal herbs to cages hidden deep within a bustling city, a secret network trafficking mythical beasts draws them into the many mysteries of the cultivation world. She is determined to protect her suffering kin, while he seeks to uncover the truth behind it all. Through laughter and adventure, they unravel one mystery after another. But when the clues begin pointing to someone familiar, how will these companions face the secrets and true feelings between them?