Admiral Horatio Nelson arrived in Naples a hero but left it a scandal-ridden commander entangled in a web of sex, violence, and betrayal. His fateful meeting with Emma Hamilton and the vengeful Queen Maria Carolina led to a breach of honor that saw thousands of prisoners betrayed and executed in the Bay of Naples. This episode explores how Britain's greatest hero succumbed to the seductions of a volcanic city and the dark reprisals that nearly destroyed his legacy.