Dong Yong, a kind and diligent man born in Eastern Han Dynasty, is a filial son and a hardworking student, whom his parents were proud of. The Seventh Fairy Maiden, uses the name Yu Xiaoqi, daughter of the Jade Emperor, comes to Earth to meet her second sister's former love, scholar Lao Xinrong. Not knowing Xiaoqi's intention, the Jade Emperor saw this as an opportunity for Xiaoqi to learn more about humans because she is very disobedient and carefree compared to the other daughters. The Jade Emperor chose the Dong family, seeing that Dong is a good person and hopes that the family can guide Xiaoqi to becoming more filial. Fortunately, Dong happens to be one of Lao's students and Xiaoqi is able to get to know more about Lao and Xiaoqi's sister's love even more. Eventually, Dong and the Maiden fall in love, which is forbidden in Heaven and repeats the tragic yet touching history of Dong's teacher, Lao and the Second Fairy Maiden. At the same time, Dong, the Seventh Fairy Maiden, and their friends are on a mission to stop another star-crossed lovers, Dong's classmate, Shangguan Haoqi and Xiang Xuehai, a civet cat deity in human form, before their quest for freedom and selfishness inadvertently triggers an apocalyptic event. After their opposites repent from their evil ways, Dong endures a series of trials to win the approval of the Maiden's family. The Jade Emperor ultimately sees Dong's worth and allows his daughter to marry the mortal, but on the condition that they will only be together for a hundred days. Months after she left, the Maiden gave birth to a baby boy in the celestial palace, and her family asks the Guanyin to entrust the Maiden's newborn son to Dong. Despite their separation, Dong Yong and the Maiden vow never to stop loving one another, even if it means to wait for thousands of lifetimes. By 2004 in Shanghai, China, Dong has been reincarnated as a contemporary young man. At a street corner, Dong Yong's present avatar meets the Maiden once more, who has once again settled in the mortal realm as a contemporary young woman, implying that she has forsaken her immortality and heavenly status. Regardless of whether he still has memories of his wife from his previous life, Dong Yong falls in love with the Maiden at first sight, suggesting that they will resume their romance.
