At the end of the 19th century, mechanical engineer Appare is thrown in jail for upsetting one of the town’s elite, who then also appoints young swordsman Kosame to keep an eye on him. But Kosame finds keeping Appare out of trouble to be a challenge.

After taking down his henchmen, the group rushes in for the final showdown against Gil. But by the time they learn of his devious plans, it may be too late to save Sofia and the city.