Lin Wan, a modern female forensic doctor, was attacked by the murderer after dissecting the seventh corpse in the "Red Rope Killer" case, and traveled back in time to Lin Wan, an 18-year-old concubine with the same name in ancient times. The original owner was murdered and disguised as hanging. She used modern forensic science knowledge to perform an autopsy on the spot and overturned the case. She was spotted by Xiao Yan, the young minister of Dali Temple, and was hired as a widower in Dali Temple. From then on, she used a scalpel to peel off the cocoons in the ancient serial murder cases. At the same time, she and Bingshan Shaoqing went from mutual distrust to life and death dependence, and finally revealed the shocking secret that spanned the two worlds.
