In the dark capital of the prosperous Tang Dynasty, the master of the mirror demon Yun Jingchen and the detective Shen Tinglan reunited due to a series of unsolved cases.
He has lost all his memory and she is full of puzzles.
When the ability to see into people's hearts cannot reveal the past, when the magic of copying all things cannot retain the sincerity, a case reveals the bloody truth of three years ago. Who is the puppet inside and outside the mirror? Who is planning?
This is a game about memory and sincerity. In the entanglement of love and hate between monsters and humans, the cruelest tenderness is revealed.
