Crabs seek revenge upon a monkey for wounding their mother, and are aided by a mortar and cow poop.  A divine oracle leads a man to riches.  A man's head becomes the scene of strange happenings.
Once upon a time, a crab mom 
lived in the mountains.
Había una vez, hace mucho tiempo, una 
mamá cangrejo que vivía entre montañas.
Hace mucho, mucho tiempo, había una 
mamá cangrejo que vivía en las montañas.
Era uma vez uma mamãe caranguejo
 que vivia nas montanhas.