Longcheng is an international metropolis where people become rich overnight and go bankrupt overnight every day. In this city of rampant materialism, success comes down to one thing: devouring. Big fish eat little fish, little fish eat shrimp, and the bold prey on the timid. Chen Longsheng gave up on college to earn money for his father's medical bills. He left the mountains for this big city, and his uncertainty about the future left him struggling to get by there for the time being.