A gentlemanly Irish physician is innocently condemned to a life of slavery in the English colonies across the sea. There, on a Caribbean Island plantation, the good Dr. Peter Blood, toils as a slave. A chance raid by Spaniards affords Blood his opportunity to escape into a life of piracy and crime upon the high seas. But Blood is a pirate with a sense of honor. How Blood distinguishes himself against his enemies, is the tale in this enjoyable historical adventure.