Battle of Changde in Tang Dynasty

During the Jingyun period of the Tang Dynasty, when Lu Lingfeng, Su Wuming and others were investigating a strange case of "corpse mutilation" in Zhongnan Mountain, they suddenly encountered a celestial phenomenon of seven stars, were involved in a rift in time and space, and landed in Changde, Hunan in the late autumn of 1943. At this time, the city of Changde was already shrouded in the shadow of the Japanese invasion of China, and the Battle of Changde was about to break out. In the city, several mysterious cases occurred before the war: Tang Dynasty music was heard in the theater late at night for no reason, the defenders "pretended corpses" to pass on information, corpses floating in the Yuanjiang River all had strange smiles on their faces, and some people even rumored to have seen "yin soldiers taking advantage of the passage"... The Tang Dynasty detective team, who recovered from the shock, reunited amidst the flames of war. The golden partners Lu Lingfeng and Su Wuming joined forces again, but found that the enemy this time was far beyond imagination - there were "psychological warfare" plots created by Japanese spies and traitors lurking in the city, sabotage operations planned using folk superstition, and the beginning of a germ warfare conspiracy with the background of the Japanese "731 Unit". On one side is the collision of modern guns and ancient martial arts, on the other side is the dialogue between scientific bacteriology and the medical wisdom of the Tang Dynasty. When the artillery fire of the Changde Defense Battle finally started in November 1943, this "special operations team" from a thousand years ago must uncover the truth behind all the conspiracies in the hail of bullets, use their own methods to protect this strange city, fight side by side with the soldiers of the Chinese 57th Division and the unyielding Changde people, and write a legend that travels through time and space in the torrent of history.