Imagine waking to a world where every last human has been mysteriously turned to stone... 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! Senku's father, the astronaut Byakuya, returns to Earth shortly after humanity is turned to stone. Certain that his son will eventually survive the petrification, he leaves something behind for him to find. But will it survive the ravages of time? In the present, Senku and the villagers have to contend with attackers from the Tsukasa Empire. The dire situation calls for drastic measures, so they get to work on the strongest weapon yet-katanas!