Highlander: The Series (1992)

S1E17 Saving Grace

Grace Chandel has dedicated her long life to helping humanity as a midwife, doctor, and scientist. However, her greatest vulnerability is Carlo Sendaro, a former lover who is infatuated with her and won’t let her escape his grasp. In a fit of rage, he murders Grace's current mortal partner and, when she declines his offer to leave everything behind, he sets her up to take the blame for the crime. In her desperation, Grace seeks assistance from her old friend, Duncan MacLeod.