Siege of Ningxia

In the 20th year of the Wanli era, former Ningxia garrison commander Bo Bai launched a rebellion, spreading chaos across the northern frontier. Yu Wei, a Ministry of War official, becomes trapped in the besieged city for six months while investigating his father's murder. During this desperate time, he witnesses harrowing events and the growing madness within the isolated city, as the mystery of the past continues to haunt him.