It is 1761 off the coast of Italy, and 13-year-old Joseph Carlos and his cousin have just been kidnapped by the British Navy and impressed into service on the Deptford, a British man-of-war. Just the day before the two boys were happily sailing with their uncle on a routine merchant passage, dreaming of owning their own ship one day and returning home to the warmth and safety of their family. What was supposed to be a "punishment" for a childish misadventure...