When MacLeod and Richie are witness to a terrorist attack on an Ambassador, Richie dives in like a Superhero, cocky with Immortality. In the resulting confusion, one of the terrorists is killed, and another, Annie Devlin, an Immortal, is captured. She swears revenge on Richie, and when she escapes from custody, MacLeod takes on the task of educating Richie so that he will have a chance in combat against her. Meanwhile, Flashbacks reveal an earlier friendship between MacLeod and Annie. Mac renews the friendship, and the two Immortals who have both recently lost their lovers find solace in one another. In the end, Richie defeats Annie but can't bring himself to kill her, and MacLeod convinces her to pursue the blood debt no further.

MacLeod et Richie sont témoin de l'agression d'un ambassadeur par un groupe de terroristes. Richie, paré de son immortalité intervient. Un des terroristes est tué et l'autre, une immortelle, Annie Devlin, est arrêtée.

Richie kann den mörderischen Anschlag auf einen Botschafter gerade noch vereiteln. Dabei kommt einer der mutmaßlichen Terroristen ums Leben. Die unsterbliche Freundin des Toten schwört daraufhin grausame Rache. McLeod bereitet Richie auf den Kampf vor: Er lehrt ihn die Kunst des Fechtens. Hat Richie aber überhaupt eine Chance, das Duell zu überleben?

Richie riesce a sventare un attentato ad un ambasciatore, ma provoca involontariamente la morte di uno dei due terroristi. L'altra terrorista, Annie, un'immortale che MacLeod conosce molto bene, giura vendetta. MacLeod si vede così costretto ad addestrare l'amico in modo che possa difendersi da Annie. Quando i due rivali si scontrano è Richie ad avere la meglio...