Duncan Macleod and immortals Connor join forces against a man from Connor past in the highlands of Scotland, Kell, an immensely powerful immortal who leads an army of potent and lethal immortal swordsmen and assassins. No immortal has been able to conquer Kell and neither Connor nor Duncan are proficient enough themselves live and to shoot on him. The two of them come to one conclusion that is inevitable. One of these must perish to ensure the joint power of the Highlanders can bring down Kell to get good. There can be only one... the issue is, who will it be?