The core chip X7 secret of Yunchuang Technology was accidentally leaked, and a competing product rushed to release the same technology. Security consultant Chen Mo late at night interviews project core R&D Lin Cheng, to find the mole within four hours. Under layers of questioning, listening devices, a mysterious impersonator, and a missing wife surface one after another. The truth is labyrinthine and confusing; whether Lin Cheng is a leaking traitor or a pawn elaborately laid out by someone, a psychological game surrounding trade secrets unfolds right here.