In the Highlander: The Series episode " Saving Grace ," Duncan MacLeod protects Grace Chandel, a pacifist Immortal doctor being hunted by her obsessive ex-lover, Carlo Sendaro . Sendaro kills Grace's husband and frames her, forcing her to seek refuge with Duncan while he fights to end Sendaro's reign of terror . You can find full details about the episode, including its cast and plot, on the Highlander Wiki and IMDb . "Highlander" Saving Grace (TV Episode 1993) - IMDb