Synopsis：Xia Tian and Lin Feng enter a corrupt factory to save a deaf-mute girl, gradually uncovering the greedy factory director's ambitions. However, a swarm of mutated rats began a counterattack. Lin Feng sacrificed himself to save Xia Tian. In the end, Xia Tian defeated the Rat King, rescued the girl, and thwarted the factory's plot to exploit the Rat King for profit, as well as their scheme to harm species and the environment.