In order to enter the zoo, Betsy and Jordan participated in the recruitment of the last humans. They performed well in the test and received the task of capturing half-men. As long as he could complete the task, he could officially join.Jep and Amy wanted to leave the factory town before the curfew to meet up with the mercenary helper known as the Air King, but they were suddenly hijacked and kidnapped on the road.

It turns out that it was the Air King gang that kidnapped Jep and Amy. At the headquarters, they met Dolly, the leader of the Air King. Amy asked for help in raiding the protected area to rescue the half-human child. Dolly said that they would only consider it if it was profitable.Action, Jep revealed that loot is the best reward, because in the end humans are hoarding supplies there, including all kinds of arms, medicine, food and even tanks.

Dr. Singer finally discovered the antidote that can truly fight the H5G9 virus by combining chicken antigens with secret sauce. After learning about it, Abbott immediately took the newly prepared antidote and invited Mr. and Mrs. Singer to participate.During the dinner celebration, Abbott said that the Big Three had decided to adopt his proposal and asked Singer to prepare a subsequent briefing.Jep confessed to Amy that he had participated in the mission of rounding up half-men in the past, which made Amy very angry. She excluded Jep from the subsequent rescue operation and boarded a plane with Air King's mercenaries.Jep then found a car by himself and drove to his destination.

In the zoo, the half-human children no longer trust Gus because he concealed Roy's death. But Bobby still said that he believed in Gus, and with Gus's help, he got into the water pipe and successfully escaped outside.The soldiers discovered the dog doll and angrily rushed in to ask if the half-human children had escaped. Gus took the opportunity to injure the soldiers with antlers and rushed out. Finally, he bumped into Abbott and fell to the side.