Ep 20. Till Death

In the season 4 episode 20 of Highlander: The Series titled "Till Death," Duncan MacLeod, a 400-year-old immortal, is faced with a dilemma when he meets a woman from his past, Debra Campbell. Debra was the first love of his life, and he has not seen her for over two decades.

While catching up and reminiscing about old times, Debra reveals that she has terminal cancer and only has a short time to live. She also reveals that she wants to die, and she wants MacLeod to be the one to kill her. MacLeod is hesitant to do so, knowing that taking a life goes against everything he has ever believed in. However, he realizes that he may not have a choice.

Meanwhile, an old enemy of MacLeod's, Kassim, hears rumors that MacLeod is in town and decides to seek him out. Kassim is a ruthless immortal who enjoys killing his opponents, and he sees MacLeod as his ultimate challenge. MacLeod, who had defeated Kassim years ago but spared his life, knows that their encounter will be deadly and that only one of them can come out alive.

As MacLeod grapples with Debra's request and prepares to face Kassim, he also deals with his own doubts and fears. He questions whether he is truly capable of taking a life, even though he's done it before. He also reflects on his past and the mistakes he's made, wondering if he's become complacent and lost his edge as an immortal.

Throughout the episode, the audience is taken on a emotional rollercoaster as they witness MacLeod's struggle to come to terms with Debra's request and his impending clash with Kassim. The episode is full of action, suspense, and heart-wrenching moments, as MacLeod fights not only his enemies but also his own inner demons.

As the episode comes to a close, the audience is left to wonder about the choices MacLeod has made and the implications they will have on his future as an immortal. "Till Death" is a powerful, thought-provoking episode that showcases the complexity of MacLeod's character and the challenges he faces as an immortal.