Shen Wunian was once the legitimate daughter of the Shen family, an immortal sect. After her spiritual bones were stolen, her family abandoned her in the mortal realm for twenty years. Upon her return, she is humiliated by her own relatives, but unexpectedly awakens the memories of the Sword Sovereign. Faced with a younger sister who has usurped her place, an indifferent family, and a conspiracy concealed for years, she refuses to endure their mistreatment any longer. With her intelligence and mastery of the sword, she embarks on a path to reclaim her rightful place. As the truth gradually comes to light, she discovers a secret behind her birth that could shake the immortal realm. Her return will change the entire world of cultivation.