Space base, the land of darkness.
Before the new guy was sent out, the old Taoist priest gave him a note:
"Remember the four rules——"
"First, the one who set you on fire on the bridge was a friendly force."
"Second, don't step on the spiders in the room area, they are the four-eyed Taoist trapping zombies."
"Third, if you hear a buzzing sound in the corridor, squat down and don't move. That's the cabinet minister catching the Jingbu ghost."
"Fourth, and most importantly—"
"If you see deep blue in the water, don't go there."
"The dark blue on land is the Taoist priest. The one in the water... Is no longer the case."