In a peaceful small town, a bizarre disappearance triggered a series of unexplainable events. Reporter Wang Luo and psychologist Lin Ruofei jointly investigated, but found that there was a huge secret hidden behind the case. The addition of police criminal investigation expert Li Haotian made the truth gradually emerge, while the mysterious laboratory leader Liu Zhengyuan seemed to be controlling everything.
As the investigation deepens, clues lead to a key figure Fang Yun who has never appeared. The truth of the disappearance is gradually revealed, but behind every clue, there is a deeper trap hidden. When reality and subconsciousness intersect, and the truth becomes a bottomless abyss, who can find the final exit?