Shen Yan, an ancient book restorer, never thought that an ordinary restoration of a broken scroll would result in him receiving a "corridor invitation" with blood-colored lines and being forcibly dragged into the corridor, an extra-dimensional space fueled by human fear and obsession. Every copy here is a trap that swallows consciousness. If the mission fails, you will be trapped in memory fragments forever. As a special player with the ability of passive "memory reading", Shen Yan took the initial fragment [Fragmented Pages of Ancient Books] and broke through the ultimate secret of the corridor in the fog of nested dungeons...