Three years ago, a strange gray fog swept across Cangnan City, wiping out millions of lives. Only seven people survived by sheer luck, including the young Lin Ye. Three years later, trapped in the hardships of everyday life, Lin Ye accidentally stumbles into a mysterious psychiatric hospital hidden among the city streets, the Peaceful Sanatorium. Little does he know that this is a fated encounter long in the making, and the beginning of his journey into the extraordinary world.
