Lin Qiu, an intern working overtime late at night, received a mysterious text message: There are three minutes left before death. On that night, he awakened the lost sequence "Lampman" and discovered that there was another world lurking under the modern city. In order to find his sister Lin Xia, who has been missing for a year, he teamed up with undercover director Su Wan to track down the truth, and continued to advance through layers of changes and puzzles. The light illuminates darkness and the end of destiny.