As a new deadly plague approaches, Guth and his fellow hybrids are imprisoned by General Albert and the Last Man.

Dr. Miller found Dr. James Tyke's notes on the ice-blocked Royal Navy ship HMS Sipson. At the same time, Gus and half of the zoo's people were locked in the water room.Dr. Singer used "secret sauce" to make a temporary antidote and gave his wife an injection. General Abbott asked Singer to work sleeplessly to find the real antidote. During his absence,His brother Johnny serves as leader for the time being.

Wendy and Gus sneaked out and told their mother through the intercom where they were being held and what happened to Roy. They were immediately discovered by Johnny and taken back to the cell.Gus was once again called over by Dr. Singer. Singer wanted to learn more about the virus by talking to Gus, so he made an agreement with Gus. As long as Gus fully cooperated, he would do his best to ensure that no one was infected.Harming other half-human children.

Betsy finally contacted the bird, Dr. Miller. Miller told Betsy that she had left a message on the tape in the "Shadow Forest" and warned him to leave quickly. As expected, it was not easy for Betsy toAfter finding the tape, the "last humans" have arrived, and Judy decides to sacrifice herself to give Betsy time to escape.In the feed meal for Gus and his half-humans that night, the dog doll from before appeared, and Wendy could smell her mother's scent on it. The half-human children were very excited because this let them know that the two were now together, and even more so.Be prepared to save them.