A stranger comes to a fishing village, which plans to catch lots of fish through poisoning the river.  As the villagers debate, they are warned against this by a traveling priest. A fisherman saves a little turtle and is taken to an undersea palace. Two boys go to ask the fire god to help them with a demon who's been raiding their village.
Tarou suddenly changed 
from a young man
En un instante Tarou pasó de 
ser joven a viejo con canas.
En un instante, Tarou perdió su juventud 
y se convirtió en un viejo con canas.