He is the sharpest blade of the state machine, Gu Chenzhou.
He is the last elegant soul in troubled times, Xie Wan.
A surveillance order and a carefully designed "accidental encounter" should have been a confrontation between chess players and chess pieces.
Little did he know that from the first step he stepped into that courtyard, the chess game had changed.
"Mr. Gu, spying on me is like spying on an empty city." Xie Wan smiled lightly, "Because the real secret has already rested on your shoulders."
When the smoke of gunfire approaches, the butterfly wings will eventually vibrate with wind and thunder.
This is a story about surveillance and protection, imprisonment and freedom. He was originally his mission, but later it became his only belief, and his journey home in troubled times.