In a sealed house, a female teacher was faked as committing suicide by taking pills, and a highly decayed male corpse was hidden inside the plaster partition wall. The inconspicuous traces of ink, soil, and paper pulp connect the monstrous secrets of factory arson, electronic fraud, and serial killings thirty years ago.
The philanthropic entrepreneurs praised by everyone are twin murderers. The seemingly innocent retired forensic doctor has concealed secrets for half his life. Under layers of fog, the real mastermind behind the scenes is hidden in everyone's blind spot.
A piece of tattered old paper tore open the truth buried with blood for two generations.
Purpose: No CP, focus on handling cases.