Su Shuanghua, a mortal girl, broke into the immortal sect alone after her family was broken up. After going through hardships, she gradually cultivated and grew up. In her search for the Tao, she met like-minded people such as the scholar Jiang Likong and her best friend Shen Yinchen, but she also encountered intrigues, betrayal and the temptation of the devil. The three worlds are in turmoil and destiny changes. Shuanghua awakens her magical power at the edge of life and death, solves unsolved cases, and gradually understands her life experience and responsibilities under the guidance of Ukiyo Kage-kun. Emotional entanglements and grievances were difficult to resolve. She separated and reunited with Shen Yinchen, and finally joined hands with Jiang Likong and others to protect the Three Realms and fight against Lu Qiuming, the leader of the Demon Realm. After experiencing the immortal tribulation of life and death, she finally successfully broke through and became an immortal in the new era.