Shen Nian, a female detective, is a criminal profiler. Male detective Lu Xingzhou is an expert in physical evidence identification and believes that "only evidence will not lie."
A ten-year unsolved case is reopened, and the psychological and technical factions are forced to join forces. A dusty disappearance case has revealed a tens of billions of criminal networks spanning China, Myanmar and Thailand - electronic fraud, drug trafficking, human trafficking, and organ trading, with dark tentacles extending to every corner.
From provincial laboratories to dense border forests, from overcoming murder cases to cross-border joint operations, they use physical evidence to restore the truth and use logic to pierce lies. And in the life-and-death confrontations, the two originally parallel trajectories began to intersect——
He is her cup of ginger tea in the dark, with just the right temperature and just the right time. She was the person he finally found who could read every trace besides the physical evidence.
When the truth emerged, they discovered that the most dangerous enemy was not outside the country, but around them.
Silence is the best protection. But some traces will eventually speak.
