Apprentice Tim is still nursing the lashes on Tom's flogged back when Blackbeard comes muster the surgeon for his master plan: sinking the Spanish silver fleet, which the doctored chronometer leads off course, with barrels full of explosives and diving up the treasure with a submersible. To both's horror, Tim is ordered to take Tom's place, as teach heads to pleas from his Selima, who also inspired Charlie being promoted captain of the flag ship. . Seeing arch-enemy William Jagger's ship waiting for them, Blackbeard calls off the largest-ever prize to engage a duel without prize, even if that takes stabbing Charlie and throwing him overboard. On the island, Tom declares his love for Kate but she for James, despite carrying Tom's baby and asks him for an abortion, which he refuses on medical grounds, so she purchases a dubious toxic potion from Nally. James implores Tom to save both at any cost, which Lowe achieves by transfusion of his own blood, claiming the baby needs two fine '...