In a secret room on a rainy night, a wealthy businessman died tragically.
The doors and windows were locked, and the murderer disappeared into thin air.
Former criminal policeman Chen Mo was ordered to do something in danger.
But they found out that this was not a simple homicide.
Lies, perjury, silence, shady stories...
A ten-year unsolved case, a mysterious organization,
All clues point to the same person.
"There is no perfect crime in this world;
There are only truths that have not been revealed. "
