The De la Vega dons finds on the beach a stranded, exhausted Japanese fisherman, Hiroshi. The only way to communicate is sign language, like they use with 'deaf' mute Felipe, the culture shock is mutual but both parties can learn a lot. Meawnhile Diego and Felipe experiment with magnesium powder. The alcalde supports the Spanish war effort by tracing the pueblo's caballeros' family trees, as land grants in the colonies are reserved for pure Spanish blood, and found a French great-great-grandmother of Don Alejandro. Hiroji is arrested on sight as a 'foreign heathen spy', and knows some English from a missionary's books left with his grandfather... .
—KGF Vissers