This article tells the story of the emotional entanglement between the male and female protagonists Qi Jiayong (Brother Dayong) and Qin Yang (Niuniu) who are ten years apart and span twenty years. The two grew up together in Lily Village since childhood, and Qin Yang's dependence on Qi Jiayong gradually turned into deep love. After Qi Jiayong dropped out of school due to school bullying, he returned to school with the help of Uncle Xiong and was eventually admitted to a provincial engineering college. In order to follow him, Qin Yang was admitted to a related major at the same school, but was heartbroken because of the girlfriend he brought back. When they reunited ten years later, their relationship warmed up, but they fell into a moral dilemma because Qi Jiayong was married. During this period, Lin Zihao, who had been silently guarding Qin Yang, passed away unexpectedly, which became an indelible pain in the hearts of both of them. In the end, Qi Jiayong divorced, but Qin Yang chose to stay away out of guilt, burying his love deep in his heart with the promise of "staying together for ninety-nine years in this life, and joining hands for a hundred years in the next life."
