Chen Mo, a 21-year-old rider from the same city, received an order at midnight from seven days later. The recipient is my sister who has been dead for three years, and the cargo is a mobile phone that is playing news about the destruction of the city. After zero o'clock, the map began to delete streets, and relatives began to forget their names, but Chen Mo discovered that as long as there is still one person who remembers an address, the people there have not really disappeared. In order to transport the whole city into tomorrow, he must complete an order that no one has the authority to sign for.