Reporter Wu Wen investigates two bizarre accidental deaths in Chongqing, and the clues lead straight to the long-sealed "Rock-Solid Project" in the remote mountains of Guizhou. After entering a border county shrouded in mist, he encounters tight surveillance and the fearful silence of the villagers. In an abandoned mining site, a bloodstained fragment of a diary reveals the grisly truth behind a man-made disaster half a century ago. The greedy tentacles of modern capital soon close in, as murder and framing tighten their grip. Armed with silent testimony spanning time, Wu Wen risks his life amid a vast web woven by those in power, determined to bring the crimes buried underground into the light.
