Security guard Lin Hao was drawn into the conspiracy of Splendid Huating. The non-existent Room 1304, the mud monster with bloody fingerprints, the insects parasitic on the gold chain... He struggled between the shadow in the mirror and the bronze box, only to realize that what the night watchman was guarding was not the door, but the three hundred years of blood contract in the gap between Yin and Yang. When memory becomes a key and forgetfulness becomes a monster, he must spell out the truth written in his soul before being dragged to the other side.
