Chen Yan, who was comfortable with the status quo, did not expect that a necklace would become a turning point in his life. He entered a world called the Hunting City. Only by constantly advancing in class and becoming stronger could he survive the dangerous mission. The innocent school beauty was actually the disguise of an evil ghost. The death of the resident on the first floor was actually the key to completing the mission. He competed with powerful enemies for the sacred artifact. How did Chen Yan choose to survive? Kill everyone who opposes you? Or fight to the end with your companions? No matter what, all this is to survive and return to reality, until they discover the secret of the hunting city... How did Chen Yan and his companions go down this road full of killing and blood? Is it abandoning benevolence, justice and morality? Or go through the difficulties side by side with your companions?