When Duncan and Joe land back from Scotland they both witness a sniper take out an immortal. The sniper ends up being Charlie, and Charlie tells Duncan that the person he shot killed his girlfriend Mara in the Balkans. The immortal is named Cord and he saved Joe Dawson's life in Vietnam. Joe lost his leg in Vietnam hence the cane, and he met Ian who was part of the Watchers in Vietnam as well. Joe doesn't want to come between Cord and Duncan but after Charlie gets killed by Cord, Duncan demands to know where he is and fights him to the death.