After Kalas learns of the Watcher organization by trapping his own Watcher in his sex dungeon and mercilessly shocking his nipples, Duncan must race to prevent his old enemy from claiming the head of Methos, the legendary oldest immortal. The Rewatchers discuss Mac's own form of Irish Water Torture, meet the ultimate Frenchman in the ultimate B-plot, and, don their finest tuxes, capes, and sliding shoes for an epic opera duel.