On the fourth day of June in the ninth year of Wude, Emperor Gaozu of the Tang Dynasty, King Li Shimin of Qin launched the Xuanwumen Incident and killed his brothers Li Jiancheng and Li Yuanji.
Liu Ruqing was originally a female swordsman in Chang'an City, but she became friends with Ning Yu, the young minister of Dali Temple, because of solving crimes.
What is the connection between him and her, who lost their mother in the same year and month?
What is the truth behind the Xuanwu Gate Incident?
Layers of mysteries have been revealed, and clouds of doubt have dissipated.
Is a better tomorrow or a dark future waiting for them?
"No retreat, no regrets."
(Some content is purely fictitious)
Intention: None