Nature seemed to have made its choice at this moment, and it showed rare kindness to this group of people.The group finally turned their backs on Chang and her old ideas, as it became increasingly clear that hybrids were destined to dominate the future, taking humanity's place.The deadly germ has been buried forever under the rubble, and humanity's doomsday clock seems to have stopped its relentless ticking.At least in terms of the threat of the doomsday virus, mankind seems to have temporarily got a chance to breathe.

Now, this group of survivors can live out the rest of their lives in peace, on their own terms.The people of the colony decided to set out to find and create a new and better world.Zhang, on the other hand, was left alone in the desolate Alaska, where she would probably end her life alone and tragically.

In the cave where Singer died, new life has begun to grow quietly.This is not only the cycle and rebirth of nature, but also a symbol of the new understanding and acceptance of the complex and profound connection between humans and hybrids.

Gus ends up back in Yellowstone, home to all the other biracial kids.They play together and build a new home full of love and hope.As time goes by, we are surprised to find that the narrator of the entire story has always been the old Gus.He and Wendy developed a deep relationship and became each other's companions.And Gus has been telling the children the thrilling stories they have experienced together.