Criminal profiler Lin Mo was shot three times while protecting a hostage during an operation to round up a serial murderer. He was only 29 years old when he died in the line of duty.
When he opened his eyes again, he found that he had traveled to a parallel world called "Dragon Kingdom" and became a useless policeman who was about to be expelled from the police force.
This is an era of highly developed technology. The Skynet system covers every inch of public space, the DNA database includes information on every citizen, and the AI preliminary screening system can lock suspects within ten seconds.
It stands to reason that crime should have no escape.
However, the homicide rate is three times higher than in Lin Mo's original world.
The perfect secret room killing makes surveillance useless;
High-tech disguises make DNA evidence point in the wrong direction;
The criminal's psychological manipulation turns the AI system into an accomplice...
When technology becomes an accomplice in crime, only a hunter who can penetrate people's hearts can break the situation.
From serial corpse dismemberment cases to faceless men's replacement killings, from college bullying revenge to live broadcast executions - twelve units of strange cases, behind them lies an ultimate mystery that spans twenty years.
And the starting point of everything is the bullet that penetrated his heart...
The logic is clear, ok