The reality we see is only the surface of the world.
Under it, there is an information universe in which everything is digital. Myths, legends, historical faults, and unsolved mysteries are all its projections.
This forgotten dimension is affecting the past, present and future of mankind in a way that people cannot detect.
Lin Mo, a history student struggling to make a living, accidentally glimpsed this hidden truth during a sleep test mission in a haunted house.
A "Fragment of the World Tree" from a high dimension resides in his body, which gives him the ability to observe dimensional information of all things, and also makes him a key——
A key that can open the "door to the end" and reshape the world order.
