On the day before the national celebration, the Prime Minister suddenly disappeared, and the security director Qiu Qixian, who had the last contact with him, became a suspect. Qiu Moyu (played by Ke Jiayan), the daughter of Qiu Qixian and also a member of the Security Bureau, takes the Prime Minister's daughter Aixin to the "Longmen City Fortress" in order to wash away her father's injustice, hoping to find evidence to prove it
On the day before the national celebration, the Prime Minister suddenly disappeared, and the security director Qiu Qixian, who had the last contact with him, became a suspect. Qiu Moyu (played by Ke Jiayan), the daughter of Qiu Qixian and also a member of the Security Bureau, takes the Prime Minister's daughter Aixin to the "Longmen City Fortress" in order to wash away her father's injustice, hoping to find evidence to prove it