In the near future, mysterious symptoms spread among people, and fear spread in the air. The reason is unknown, only that the infected person will produce bone mutation at the initial stage, the body will grow fur or scales, and the original human traits will gradually degenerate. There is nothing the government can do but to forcibly take care of the infected people who have become beasts. Fang Suva was convinced that his beloved wife was still under that mutated face, and no matter how far away she was transferred to the shelter, he moved with his adolescent son Amy. Amy, who tried to integrate into the new class, unexpectedly found an unspeakable change in her body, ⋯⋯.