Cheng Xuan, a takeaway boy, was running for a living in the wind and rain, but was knocked down and humiliated by a car driven by Zi Run, the illegitimate son of the Chen family's chaebol. In a sudden turn of fate, he accidentally obtained a mysterious system, which gave his strength a terrifying blessing every time he slapped him in the face. See how an ordinary delivery boy uses the system to change his destiny, carve out his own world in this bustling city, trample the former humiliators under his feet, and create a passionate counterattack legend.
