To secure the family title, He Yan, the eldest daughter, was forced to disguise herself as He Rufei, the only son of the family who has a health problem. When she was young, she met Xiao Jue, who later became General Fengyun, at Xinchang School as his classmate. In an effort to create her own path, she joined the battlefield. Years later, she was appointed to be General Feihong, but her brother suddenly returned to take his identity back and forced He Yan to step down back to an ordinary woman.
After He Yan won over the death that was given by her own family, she disguised herself again as a man with her real name and enlisted in the Yezhou Garrison. Determined to reclaim what is hers and defend the country, alongside Xiao Jue, who is gradually finding her truth.
They both eventually team up to tackle cases and battles, including finding the truth behind Xiao family's tragedy. Also, giving warmth to each other along the journey and becoming the only family for one another.[4][5]
The eldest daughter of He family and was forced to disguise herself as He Rufei with a mask. Once, she received the title General Feihong, her brother suddenly came to steal the identity back. After surviving death, she attempts to avenge by joining Yezhou military garrison with her real name under a male identity.
The youngest son of Xiao family. He became the strength of the family and the city after the death of his father. He is the uncle of Cheng Lisu and used to be a classmate of He Yan. People thought of him as a cruel and frozen person who could kill without any mercy. He is called "Lord of the War", General Fengyun. However, he also had a tough journey and a scar in his heart.
The favorite student of Xu Jingfu. He is wise, well-behaved, and gentle. He has been lonely since young after his mother died and did not grow up well in Chu family. After the tragic in his life, he met He Yan whom he saw as the light for life.
The cheerful daughter of the chief physician of the Imperial Medical Academy. She enjoys studying poisons and wants to write a book relating poisons. She and Cheng Lisu were forced to engage by their family.
The eldest son of He family who had a health problem when he was young and was taken to be treated at the mountains. After healing, he came back to steal his identity from He Yan by killing her and stepping into being General Feihong.
The nephew of Xiao Jue. He is the physician and was forced to engage with Song Taotao. As to flee from marry, he fled to Yezhou Garrison to stay with Xiao Jue.
Prime minister of Wei, the civil official who is opposed to Xiao Jue. He is the master of Chu Zhao. However, he deeply cares about his only daughter, Xu Pingting.
In 2025, Li Mingde, who portrays "Cheng Lisu" character, was placed under criminal detention after being involved in property destruction under the influence of alcohol. Resulting in postponement of the drama which had to address the issue, using AI for replacing his face with the new actor, Li Qing. The process finished within a few months and cost around 10 million CNY in total.[8][9][10]
Trivia
According to its original novels, both characters Xiao Jue and He Yan have their own swords — Yin Qiu and Qing Lang. There are described that Yin Qiu is white and shining as snow, cold but powerful reflecting Xiao Jue's personality. Qing Lang is clear green as a speedy wind, lighter than Yin Qiu but cuts steel as it cuts the earth reflecting He Yan self. [11][12][13] In the series, they both received the swords from Xiao Jue's father.
Notes
↑Jiu Qi is the squad under Xiao's command. They are the strongest and death squad of Yezhou Garrison.