A rich man learns of a treasure in a swamp and forces his servants to drain it. Tatsuko goes to a shrine in the mountain every night seeking eternal beauty. The black dragon, who is the master of a huge swamp, wants to marry the beautiful Kurohime.
But even when the lord added 
more samurai guards,
Por más que aumentara la vigilancia,
Por más que aumentara la vigilancia,
Mas mesmo quando o senhor
acrescentou mais guardas,