In the seemingly ordinary but foggy town, a series of bizarre events happened one after another, and all the clues seemed to vaguely point to the mysterious "missing fifth person." It was a small group with a close relationship. Whenever people recalled a key occasion, they could always clearly count the existence of five people. However, when they tried to find the fifth person, they found that they seemed to have disappeared without leaving any trace. Is it a deliberate hiding, or is it trapped in some unspeakable conspiracy? As the investigation deepens, more and more bizarre details emerge. Where is the missing fifth person and what amazing secrets he holds, waiting to be revealed...
