Autumn Leaves Fly Far Away from Chang'an

On the fifth day of the eleventh month in the fourteenth year of Tianbao, rain came from the west and fell on Chang'an. When the day is over and the year is over, everything is not appropriate. There have been a series of murder cases in Wannian County of Chang'an City recently, and there is a shocking secret hidden behind them, which is related to the life and death of the Tang Dynasty.