After waking from a drunken stupor, good-for-nothing female writer Lu Zhaozhao finds herself inside Gu Yu, a novel she stopped updating two years ago. The person who brought her from the real world into the brand-new world she created is none other than the second male lead she abandoned after updating only forty-two chapters: Shen Yu, the immortal of Qixuan Mountain. In the original premise of Gu Yu, the female protagonist, Lu Zhir ran, would see her country conquered and her family destroyed by the schemes of the male protagonist, Gu Shaoheng. She would flee to Qixuan Mountain, become the disciple of the immortal Shen Yu, and cultivate there in preparation for taking revenge and restoring her country. As they spent their days and nights together, the immortal Shen Yu would also fall in love with his disciple, Lu Zhir ran. Unfortunately, the Demon Lord Tu Ya, sealed away for seventy thousand years, is about to return to the mortal world, and the immortal Shen Yu is destined to sacrifice himself to help his beloved little disciple. But Lu Zhaozhao's Gu Yu was updated only through the first forty-two chapters. The Demon Lord Tu Ya is about to return to the mortal world, and after she abandoned the novel, the world within the story continued on. The immortal Shen Yu tried hundreds and thousands of times to seal Tu Ya, but failed every time. Thus, he brought Lu Zhaozhao, the person who created this world, into the world of the story to help him slay Tu Ya. A new story derived from Gu Yu, Lu Yu is now unfolding…