In the tumultuous year of 2020, an inexplicable event unfolds—nearly a third of the world's population vanishes without a trace. The missing individuals share a peculiar connection: they were once avid players of the immersive game, 'Fantasy Fort'. Haunted by the sudden disappearance of his sister, Zilin becomes consumed by the need to uncover the truth. Faced with the absence of any information about the game, Zilin's determination drives him to search for answers. In a serendipitous twist, he encounters fisher02, a mysterious individual offering a 'Spectator' account for Fantasy Fort—a rare opportunity to witness the game's world not as a player, but as a spectator.