In the hinterland of Xingang City, a vertical beast made of neon, alloys and holographic projections, Lin Feng is a legend in the shadows. He challenged the laws of gravity with his flesh and blood body and climbed over the icy cliffs of skyscrapers. He was the top parkour messenger of "Wind Express". Speed is his belief and punctuality is his ironclad rule. However, the cold urban legend is quietly turning into reality: the mysterious packages he delivers are devouring the recipients one after another. They were erased as if by an invisible eraser, leaving no trace. Only the moment of unpacking the package on the surveillance video became the final epitaph of their existence. The police are in a fog, and the city is whispering in uneasiness.
