In 1990, Jiang Zhongshi becomes a temp at a machinery factory after losing his chance to enter military school due to his father being implicated for committing economic crimes. Yuan Xiaoxia's father who was also affected by the Jiang's family problems dies unexpectedly.
Four years later, Jiang Zhongshi and Yuan Xiaoxia cross paths at the machinery factory. When it comes to work, they are willing to set aside their grievances to remain professional. After 20 years of arduous exploration, the technical know-how and production experience of the hardworking individuals at the factory allow them to make a breakthrough in the research and development of CNC machine tools. The restructured Liangchuan group has now become a glorious member of China's "smart" manufacturing.
Yan Dan is the sole descendant of the ancient tribe the Four-Leaved Scorpion. Yan Dan’s entire being is a treasure trove of medicines. She and twin sister Zhi Xi transformed into human form a century before while attending the Queen Mother's Feast, but Yan Dan faced the greatest trial of her life - the love trial. Falling in love with Lord Ying Yuan resulted in her wasting the following 800 years forgetting him. Such a high price to pay!
Now the supportive Yu Mo enters her life, encouraging her daily to perform good deeds. While punishing evil, they encounter Lord Ying Yuan's current reincarnation, Tang Zhou, the demon hunter. They assist Tang Zhou in his quest to locate the four ancient artifacts, uncovering an even more mysterious secret. Can the trio find the evidence they need despite the dangers?
Adapted from the novel "Chen Xiang Ru Xie" (沉香如屑) by Su Mo (苏寞).
