Su Muyan, the concubine of the Dachu General's Mansion, whose mother was a gold-level machine master who was framed to death by the government, grew up in a woodshed and secretly inherited her mother's "Secret Records of the Machinery". When she was fifteen years old, her concubine Su Mingwei stole her mother's secret book and humiliated her. Su Muyan used a homemade small mecha to teach Su Mingwei a lesson, and from then on she began to rise in the internal fighting in the general's palace. Later, she was involved in the war between Da Chu and Dayan. She used mechanism skills to create Xuanjia (heavy armor driven by ancient mechanisms) and helped the Dachu army defeat Dayan. At the same time, she and Dayan Xuanjia General Gu Zhaoting (a true disciple of the Xuanjia Sect) went from confrontation to love. In the process, she slapped her concubine in the face, dealt with her concubine's mother, and put down the civil strife in the general's palace. She gradually became the "Xuanjia Queen" of Chu, and finally joined hands with Gu Zhaoting to bring peace to the world and fulfill her mother's last wish of "protecting the people with mechanical skills."
