Lin Mo entered the mysterious realm in an accident and met Su Yu and Chen Hao who were also involved. Three people form a team and jointly challenge various weird and terrifying dungeons. In each dungeon, they need to solve puzzles, find a way out, and collect clues to gradually uncover the truth of the strange realm. Lin Mo and others discovered that the existence of the mysterious realm was closely related to the real world, and it was no accident that they were involved in it. They must face the final challenge, stop the mysterious man's conspiracy, and save the real world.