Gonpachi was working hard at a gold mine to raise money for his family. Three brothers get lost in the mountains and find themselves at the house of a terrifying mountain grannie.  A traveler comes to an inn on the Sumidagawa river.  She's looking for her son who vanishes.
Once upon a time, in Sado, there was 
the biggest gold mine in Japan.
Había una vez una gran mina de oro en Sado,
Hace mucho, mucho tiempo, había 
una gran mina de oro en Sado
Era uma vez, em Sado, a maior
 mina de ouro do Japão.