After teaming up with a larger group of survivors living above an outlet mall, Hideo, Hiromi, and Mr. Araki are betrayed. Now subservient to a band of strange men with odd post-apocalyptic rules, will Hideo find a way to rescue the sick, partially mutated Hiromi?

One fateful day, all of humanity turned to stone. Many millennia later, Taiju frees himself from the petrification and finds himself surrounded by statues. The situation looks grim—until he runs into his science-loving friend Senku! Together they plan to restart civilization with the power of science!