This story revolves around a bizarre disappearance of a young girl, in which several groups of unrelated ordinary people are involved. They strive to break free from this event, protect themselves, and in a non-linear storyIn the narration, several groups of characters are presented in a cross manner, and the beginning and end of the final event gradually become clear. The criminals behind the event are also ultimately punished by the law, and those who are innocent and implicated are also restored to calmlife.