Born into a family of queens, Su Rui has an indescribable affinity for steel and fire. In order to deeply understand the charm of sword-making technology, she was admitted to Mingjian Academy. With her tolerant and generous attitude, hard-trained skills, and unyielding steel spirit, Su Rui smoothed out her classmates' prejudices against her background and gender, and won the favor of Huangfu Zhuo, who was born into an aristocratic family.