A girl sings a song, and her father is sacrificed.  A son is tasked with taking his mother to the mountains, where she will left to die.  A tense hostage situation at a sumo wrestler's dojo.
If only I hadn't sung that song...
Esto está sucediendo porque 
canté esa canción...
Todo esto ha pasado porque 
canté aquella canción.
Se eu não tivesse cantado aquela música...