In ancient Rome, bathhouse architect Lucius (Hiroshi Abe) becomes famous with designing the original "thermae" (bathhouse). He receives an order to build a thermae in the colosseum to help gladiators recover from their wounds, but faces difficulties. Thus, Lucius travels again to modern day Japan through the time slip. He meets Manami (Aya Ueto) again, who is now a reporter for a magazine which covers bathroom. With the help of the flat face Japanese tribe, Lucius again designs a new thermae. Meanwhile, Emperor Hadrian (Masachika Ichimura) wants to keep the peace with the thermae, but the Senate wants to extend the land by using force. Emperor Hadrian and the Senate now have a confrontation and Rome becomes divided.

We follow the epic lives of sumo legends who made it from humble beginnings in Hawaii, to becoming the first foreigners to rise to the highest ranks in sumo. Starting with Takamiyama who paved the path for Konishiki, Akebono, and Musashimaru who soon followed and ignited sumo fandom around the world. As diplomats for the sport and Japanese culture, these 600 pound outsiders share their hero’s journey from a small Hawaiian village, to having God-like adulation from fans across the world.