One rainy night, on his way home, Jun Mo had a strange encounter. He came face-to-face with a mysterious shadow and heard a piercing wail beside his ear. His body suddenly wouldn't move. The ghostly figure was creeping closer… At the critical moment, a mysterious old man and a burly man appeared behind Jun Mo, and the strange sensations he had been experiencing suddenly vanished. Later, in his conversation with the old man, Jun Mo became even more curious about the “warehouse” behind him. But he never imagined that this encounter would completely transform his life and his understanding of the world…