When Shen Xian went south to Lingnan with "One Hundred Solutions to Poisons", he thought he was just investigating a poisoning and murder case in which the bodyguard bureau wiped out his family.
Unexpectedly, the curare wood in Fenghou Ridge, the ashes pills in the mines, the pufferfish sea festival in the fishing village... Every tragedy points to the same shocking inside story!
The poison in Lingnan is ten times more severe than that in Jiangnan; the network behind it leads directly to the center of power in the capital.
Every time he collected a copper coin, someone tried to kill him. Others said God was seeking life, but he said it was lead poisoning. A doctor performs an autopsy, and every sentence is fatal - this is the story of a wandering doctor who uses medical theory to solve mysterious cases!