At the heart of it, a blood-red crystal gnaws away at his lifespan.
A strange illness descends, and reality becomes bizarrely half-digitized. Doors begin appearing one after another.
Wooden doors, iron doors, bronze doors, bone doors... What lies beyond them?
Yan Chen is an ordinary young man. His lifespan becomes a number on a translucent screen, dwindling day by day.
To stay alive, he must travel between life and death.
Only when layer upon layer of truth is revealed does he understand: true and false, real and unreal, immortals and Buddhas... It all comes down to a single thought.