Chasing the Light of Eclipse of Time

The only four hours of daylight every day are the last gasp of this human civilization. In the Rock City, a city-state in the last days. Detective Lin Yi was ordered to investigate the disappearance of a female researcher. There was no violence or traces at the scene, only the low hum of the instrument, as if she had never existed. In this gray world that has lasted for two epochs, humans have never given up on the light! ! !