In a world of cultivators and mythical beasts, a reincarnated ordinary person, now a woman, seeks only to survive. Unexpectedly mistaken for an immortal, she takes in a starving orphan girl who believes her to be a powerful master. Can this 'mortal immortal' navigate the dangers of a world she doesn't understand while maintaining the façade and protecting her new disciple?

Abandoned, alone, and poisoned by her own mother, the protagonist awakens in a void only to be granted a second chance. Reborn as a baby in a fantasy world, she is quickly kidnapped by bandits but rescued by a mysterious white lion. Taken to a remote orphanage, she discovers a world of magic, mythical creatures, and hidden truths. With her unique connection to magical beasts and burgeoning powers, she must navigate this new reality, uncovering the secrets of her past life and the destiny that awaits her.