Located at the corner of Huaihai Street and Huanghe Street, there is a cafe called Du'e Zhou. The opening hours of the cafe are very strange. It is not during the rush hour, but always opens between 5 and 10 p. M. Du'e Zhou has a signature coffee called "Du'e" coffee. There is nothing strange at first, but with the inadvertent intrusion of a girl, everything begins to change, and the gears of fate begin to turn...