The story takes place in a seemingly ordinary modern city. However, every once in a while, parts of the city are shrouded in strange rules and strange stories. Once people step into these affected areas, they will be trapped in a time loop, repeating the same day. Only by solving the puzzle of the rules of the day can the loop be broken, otherwise they will be trapped forever, or even face death. The protagonist Luo Chen is a young reporter who is curious about mysterious events. With his keen observation and extraordinary wisdom, he has repeatedly gone into dangerous situations, trying to uncover the truth behind the strange rules.
