Shen Shuyu transmigrates into a period novel, becoming the villainous supporting character who shares her name and is destined for a tragic ending. She awakens a storage space containing a spiritual spring and deliberately avoids her original fate of rescuing the male lead, Zhou Jingchen, from the mountains. Using her knowledge of the future and her abilities, she exposes the schemes of her scheming cousin, Shen Xue, foils her relatives' malicious plots, and protects her grandparents, who cherish her like a precious treasure. She also cares for Gu Jiandong, the son of a military officer whose mental faculties have been impaired, and helps her best friend and second aunt escape their miserable circumstances. Amid the warmth and bustle of rural life in the 1970s, she rewrites her tragic fate and builds a happy, prosperous life on her own terms.