Highlander: The Series (1992)

S6E4 Diplomatic Immunity

Willie Kingsley, a smooth-talking embezzler and master con artist, has a peculiar talent for reappearing after his own demise, often cashing in on it. However, when a final scheme goes awry and leads to the tragic death of his beloved wife, Willie seeks the aid of Duncan MacLeod to find her murderer. While MacLeod is driven by a desire for justice, Willie is consumed by a thirst for vengeance.