A playing card is a case, a strangely discovered palace, a coffin hidden deep in the ground, a terrifying red character... Everything seems to point to that mysterious person - Mo Ran. When dawn comes, the truth will be revealed to the world.
The explorers accidentally discovered an ancient palace in a deep mountain. Several of them vowed to bury this secret deep in their memories. However, bizarre things kept happening to them. The palace gradually surfaced, but along with the palace came corpses one after another.