Lord Byron, the brilliant Romantic poet, is alive and well and living the decadent life of a rock star. He lives life way over the edge and has taken some promising young musicians over the edge with him. When following in Byron's footsteps tragically ends the life of Dawson's protege, MacLeod is faced with a decision -- is the beauty and genius that is Byron worth the cost?

The dead are walking the streets of Paris. The forces of evil are coming. Is MacLeod being readied for some higher calling -- or is he simply losing his mind?

The Zone is a burned-out urban wasteland, abandoned by the police, who figure it's easier to just 'let the animals kill each other.' Now the Zone is being taken over by Canaan, a charismatic leader who urges his followers to take the material possessions that have been denied to them. Joe Dawson comes to MacLeod for help -- one of his men, who was observing Canaan, has been killed. Charlie accompanies MacLeod down to his old neighborhood in the Zone and introduces him to Asia, a nurse at the local clinic, one of few people who haven't given up on the neighborhood. After MacLeod learns that Canaan is not an Immortal, Dawson is ready to drop it. But MacLeod has seen the misery in the Zone, and is determined to break Canaan's hold. He convinces Asia that it's time to stand up for their rights, and he and Charlie arrange a meeting of neighborhood residents who want to take back their streets. But Asia is involved with Canaan, and she's used as bait to lure Mac to his apparent death. Canaan

Charlie and MacLeod come to the aid of Sara Lightfoot, an Indian woman on the run with a baby. She tells them Avery Hoskins is trying to steal her baby. Hoskins and his brothers come after them, and they are forced to flee overland. After a rugged flight through a mountain canyon, MacLeod learns that the baby is in fact Hoskins' son, taken by Sara in retribution for her own child, killed by runoff from Hoskins' mines.

Centuries ago, Bartholomew sent thousands to their deaths during the Crusades, amassing a fortune in God's name. Now Katherine is determined to take his head - if only she can keep her mortal husband, Nick, from interfering with the Game.

MacLeod is struck and "killed" by a speeding automobile. When he revives in the hospital, he attracts the attention of a deranged doctor, who kidnaps MacLeod for his research on a miracle cure for trauma. When MacLeod escapes from the doctor, the doctor murders a potential witness and frames MacLeod for it.

Four hundred years ago, Devon Marek was a spoiled aristocrat with a passion for the hunt. His first teacher, Duncan MacLeod, forced him to give up his lands and title when he became Immortal -- and Marek's never forgiven him for it. Now Marek has built a new empire, and he's ready to hunt his most dangerous prey yet: MacLeod. Obsessed with revenge, Marek imprisons the Highlander in a deserted highrise office building... with a gang of deadly mercenaries on his tail.

All bounty hunter Reagan Cole wanted was a holiday in Paris with Duncan MacLeod; what she gets is international intrigue, a hunky underwear model, and a terrorist with a million-dollar price on his head.

Richie falls for a con man's ploy when he attempts to find out more about his parents, whom he has never known. The con uses Richie for a place to crash and anything else he can get out of him by pretending to be his father. MacLeod also relives his past in the memories of first becoming immortal and being cast out of his clan by his father.

A deadly herbal drug takes the life of Richie's friend, and MacLeod suspects the source of the drug is another Immortal, Kiem Sun, who has long sought to perfect such a drug and remove its lethal side effects for the betterment of mankind. But a disciple of Kiem Sun's is using the drug for his own gain, and MacLeod and his old friend must track him down. When it becomes clear that Kiem Sun plans to continue his experiments, MacLeod destroys the remaining sample of the drug.

A beautiful young woman, Felicia Martins, throws herself to her death, only to revive with the realization that she is an Immortal. She seeks out Duncan MacLeod as her mentor, and becomes amorously involved with Richie Ryan. But there is much more to this "ing�nue" than meets the eye. She is in fact a long-time Immortal, engaged in a wily scheme to trap MacLeod and acquire his Quickening. MacLeod must see through her subterfuge in time to protect not only himself, but also Richie.

A serial killer dubbed The Scalper' is attacking blonde women, including a friend of Tessa's. MacLeod recognizes the pattern of an Immortal who, betrayed by the woman he loved, became a killer. To end the carnage, MacLeod was forced to confront and kill him, back in 1925. Now the killings have started again, the modern day killer mimicking the 70-year-old M.O., killing in the same locations as the previous murders. It falls to MacLeod and Tessa to stop this madman.

ER trauma surgeon Anne Lindsey responds to the call for help after an explosion devastates a subway station, but when a subsequent explosion rocks the station, Anne is trapped. MacLeod remembers WWII London where he and the woman he loved, reporter Diane Terrin, were trapped in a bombed air-raid shelter during the Blitz, running out of time and air. MacLeod is desperate to rescue Anne before he loses her like he lost Diane.

Richie Ryan tries to protect an old girlfriend, Nikki, from a band of drug dealers. This puts them both in jeopardy from an Immortal, Voshin, whom MacLeod knows from an adventure during the Second World War when he was trying to smuggle Jewish refugees out of occupied Eastern Europe. Nikki complicates the story by withholding drug money she has stolen from the gang, thinking she can use it to make a better life for her small daughter. Tessa, meanwhile, becomes enamored of the child, raising issues for her and MacLeod.

Tessa witnesses the murder of a painter, Anne Wheeler, but the absence of a body leads everyone but MacLeod to doubt her story. MacLeod supports Tessa in her quest to obtain justice for Anne. It develops that Anne was killed by her Immortal ex-lover, to keep her from revealing his secret. After Tessa is taken to a police safe house, MacLeod realizes that the killer is in fact the Chief of Detectives, and he must rescue Tessa and bring justice to Anne's killer.

A mysterious death at the Paris Opera re-acquaints Duncan MacLeod with one of the strangest Immortals he has met in his many travels over the centuries. Ursa is a hulking giant -- more beast than man -- who Duncan rescued from persecution centuries ago, delivering him to sanctuary in an abbey. The abbey has long since been destroyed and Ursa now lives under Paris. He has become enamored of a past-her-prime opera singer who tries to use Ursa's innocent soul to murder her rival.

Jimmy Sang, a former student of Charlie's, is an up-and-coming martial arts movie star. His latest movie is filming some scenes in the dojo. When a stuntman is ""accidentally"" killed, MacLeod is the first to realize that Jimmy's life is in danger. It turns out that the movie is based on Jimmy's youthful experiences as an enforcer for a powerful gang, and now his former boss wants to see him dead.

MacLeod's old friend Tommy Sullivan is a scrappy little Irishman, a one-time boxer turned trainer, who can charm anyone into anything. He charms MacLeod into backing his current boxer and charms Charlie into playing Cyrano to help him woo a shy waitress. But when a rival manager who was trying to steal Sully's fighter turns up dead, MacLeod's opinion of his old friend begins to be altered forever.

Once every thousand years, the Zoroastrian demon Ahriman returns to wreak havoc on the earth. He has already brought destruction to Duncan MacLeod's world, having caused Richie's death at Duncan's hand. But now MacLeod returns to Paris to take up his mantle as Champion and vows to destroy Ahriman. Sophie Baines knows how to defeat the demon, but is she MacLeod's ally, or another pawn in Ahriman's game?

With the help of Father Beaufort and Joe Dawson, MacLeod finally begins to find a crack in Ahriman's armor. But he soon learns, along with Dawson, that anyone who helps the Champion becomes fair game for the demon. Joe is torn by guilt as Watchers -- friends -- are murdered by Ahriman, while Father Beaufort has his own inner demons to contend with. Not even Holy Ground is sanctuary, as MacLeod wrestles with Ahriman in the final battle... Armageddon.

While visiting the courthouse to clear up Tessa's traffic tickets, MacLeod, Tessa, and Richie are among a group that is taken hostage by a band of men bent on freeing their leader, Slade, from imprisonment. When Slade's demands are not met, he chooses a hostage to sacrifice. MacLeod makes sure that hostage is himself, and returns from the dead to hunt down the gunmen one by one, as the police watch helplessly from outside.

When fatal stabbing fails to kill him, Alfred Cahill becomes convinced that he has been chosen by a higher power to wage a crusade against 'perversion', and cuts a bloody path through Paris, murdering prostitutes and pimps, and endangering an old friend of Tessa's who has become a call girl. MacLeod tries to explain Immortality to Cahill, but he can't get through to him, and finally is forced to take his head.

In 1918 in the Soviet Union, MacLeod promised the Immortal Drakov that he would not fight him, in return for seeing lives spared. Today Drakov, now called Arthur Drake, still operates behind the scenes of international politics, a cruel puppetmaster who is dragging Eastern Europe toward anarchy. Eli Jarmel, an old man whose family was destroyed by Drake, urges MacLeod to recant his promise, while Beth Vaughn, a reporter, puts her life in danger by investigating both Drake and MacLeod.

The people of a tiny Balkan nation are rising up in arms against an oppressive dictator. The freedom fighters are led by Paul Karros, a vibrant, charismatic leader. Karros is an Immortal who once served as a slave under Roman oppression and fought his way to freedom with Spartacus. Since that time, whenever the common people have been fighting against oppression, Karros has been at their side. Karros and his assistant, Mara, have come to the U.S. to drum up support for their cause. MacLeod and Karros fought together in the Mexican Revolution and Karros tries to convince MacLeod to fight with him in this just cause. MacLeod turns him down, but Charlie is tempted both by the cause and by Mara. When Father Stefan, a local liaison, is critically wounded in an assassination attempt, MacLeod realizes that Karros is determined to fight the war at any cost -- even at the cost of sabotaging peace negotiations by killing those who trust him. When Mara discovers the truth, she threatens to expose

To save his own hide, petty hoodlum Benny Carbassa, the Nathan Detroit of Immortality, turns MacLeod over to an aging gangster determined to see MacLeod dead before he dies. In the midst of this, Anne returns, having convinced herself that MacLeod will open up in his own time and determined not to push him too hard. In flashback, we see MacLeod's first meeting with Benny, in 1938 at the Coconut Lounge, a club operated by two young brothers who are rivals for the same torch singer.