An accidental death made Song Ze, a modern young man with an open mind, mistakenly believe that he had gone to hell, but he never imagined that he had traveled to a world dominated by humans and vampires.
When he first came to this world, he became a blood slave and was forced to stand on a stone slab to purify and filter other people's blood before delivering it to vampires. Just as his clothes were stripped off and forced to be trapped on the stone slab, another male protagonist Xiao Ling appeared. Neatly dressed, he picked up the naked Song Ze and fled from here. From then on, the two formed a bond.
Here light and shadow are intertwined, reason and desire coexist, and Song Ze still retains an insensitivity and understanding that are beyond ordinary people - which makes his daily life in the alien world both outrageous and warm.
Because of one case after another, he got to know the taciturn law enforcement vampire, who was cold on the outside and warm on the inside. From then on, the two embarked on a complementary and mutually contradictory investigative journey together, and secretly fell in love with each other in their daily interactions.
From bizarre murders to urban mysteries, they worked together to detect countless conspiracies, and gradually discovered that there was the same invisible hand hidden behind the cases, deliberately guiding the order and chaos of the world...
When the imagination meets rational analysis, and when kindness and empathy meet gentle protection, they must move forward side by side in the fog to uncover the identity of the final BOSS - and the true purpose behind all these conspiracies.
Concept: This is a story about people and vampires using reason, kindness and humor to break down the barriers of race and personality, and pursue light, trust and truth in conspiracy and fog.