My name is Zhou Ye. I'm thirty-five years old, an ordinary night-shift taxi driver in this city. My body clock has long since been thoroughly conditioned by the days and nights turned upside down. Whenever the sun sinks below the river and neon lights up the city, I find myself inexplicably energized. But when the first rays of morning sunlight pierce the clouds, a bone-deep weariness washes over me like a tide.