Beware the darkness. Something unknown and terrifying lurks there.
For thousands of years, this warning has been passed down through the ancient legends of Zhen Country.
One ordinary night, high school student Chen Xiaotian is inexplicably swept up in a mysterious incident. Alone, he is trapped in a night without dawn. Countless monsters come after him in the darkness, leaving him no way to escape, above or below. After great hardship, he finally makes it out of the incident, only to discover that beneath the seemingly peaceful world, mysterious and unknown dangers have always been lurking.
In the darkness, the countdown to destruction has begun…