In 758 AD, the first year of Qianyuan of the Tang Dynasty, although An Lushan was dead, Shi Siming surrendered and rebelled again. The "An-Shi Rebellion" was still continuing, and the Tang Dynasty was still in a precarious and troubled period.
In the Songyang Temple at the southern foot of Songshan Mountain, Master Yin Shu, who was invited to give a sermon, and various people who came to the temple on the second day of the Double Ninth Festival were inexplicably involved in a murder case...
Intention: Yu Gu knew that Jianjian was a trouble, so he couldn't bear it and couldn't let it go.