Determined to investigate the death of his old friend Darius, MacLeod follows a lead back to his old stomping grounds in the Pacific Northwest. He meets Joe Dawson, a bookstore owner with a secret; he soon learns that Dawson is a high-ranking member of an ancient secret organization known as The Watchers, who observe and record the lives of the Immortals, passing their archives down from generation to generation. Unbeknownst to Dawson, his brother-in-law, James Horton (the man who killed Darius), has been recruiting Watchers to kill Immortals

A fellow Immortal, Greg Powers, invites MacLeod to his photography showing. At the gallery, MacLeod becomes deeply disturbed by the violent images of his friend's work, but what becomes more disturbing than the fact that Greg's personality has been replaced by that of a hardened cynic. As he reviews Greg's work, he comes across a photograph taken of himself 50 years ago which triggers a flashback of a time he spent with a young photographer, Linda Plager

Thirty years ago, evil Immortal Quenten Barnes was executed in the electric chair, and promised he'd be back. Escaping the tomb that he has been captive to for the last several decades, Barnes begins hunting down the people involved in his execution. Joe Dawson learns that he has returned and tries to get MacLeod involved in Barnes' apprehension

A mortal named Pallin Wolf, one of the renegade Watchers who believes the Immortals must be eliminated, lures an Immortal to his house and kills him, getting the advantage by tricking him into a sealed room that is completely dark, then stalking him with night vision goggles. Meanwhile, a Gypsy fortuneteller they meet in a restaurant, Greta, warns Tessa that she is in danger. When Tessa is kidnapped by Wolf, MacLeod returns to Greta, asking for her help

When MacLeod and Richie are witness to a terrorist attack on an Ambassador, Richie dives in like a Superhero, cocky with Immortality. In the resulting confusion, one of the terrorists is killed, and another, Annie Devlin, an Immortal, is captured. She swears revenge on Richie, and when she escapes from custody, MacLeod takes on the task of educating Richie so that he will have a chance in combat against her

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

Amanda, the beautiful Immortal cat-burglar returns to town, telling MacLeod she's retired from her life of crime. He doesn't believe her -- especially when two guys start shooting at them. Mac thinks the guys might be Watchers, but in fact they are FBI Agents

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

Carl Robinson is an Immortal who MacLeod first met in 1929 when he rescued him from a KKK lynch mob. Back then, Carl was full of plans -- to be a Major League Ballplayer, to be President. But today Carl has given up hope

Tommy is an innorcent bystander who's accidentally killed during a swordfight between MacLeod and the Immortal Gallen. Haunted by the unnecessary death, MacLeod tries to find out more about the dead man -- and discovers he isn't exactly the innocent bystander he appeared

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

Richie wants to protect Laura Daniels, a young woman who's on the run from an Immortal bounty hunter, Mako. MacLeod has met Mako before and doesn't like his methods, but he knows the other man is lawful. He questions whether Laura is necessarily innocent

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

Xavier St. Cloud returns, killing Immortals with the help of mortal mercenaries who shoot his prey, making his kill easy. His next target is MacLeod but, warned by Dawson, Mac and Charlie just manage to escape death -- though the dojo is all but destroyed in the gunfight

As Charlie regains strength, MacLeod accepts help from Dawson one last time, and barely misses catching Xavier and Horton. He then follows their trail to Paris -- accompanied by the persistent Renee Delaney. They track down Horton, and when he almost escapes, he is shot by Joe Dawson

MacLeod comes up against Nicholas Ward, an Immortal who conceals his murders by disguising them as popular hysterias. In the 1840's, Ward created a vampire myth in order to conceal the true motive behind his killing the owners of a business he wanted. Mac managed to prevent Ward from marrying (and murdering) the heiress, but Ward escaped

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

MacLeod feels the Buzz coming from an ancient sarcophagus and opens it to find Nefertiri, Cleopatra's handmaid, buried 2000 years ago with her mistress. Now revived, she pursues a vendetta against the Immortal Marcus Constantine, who was her lover and her enemy. Mac believes Constantine, who claims that he no longer wishes to fight Nefertiri -- this former Roman General has turned his back on battle and is now a curator, working to preserve history and its lessons

When her mentor Rebecca is killed, Amanda is determined to avenge the death, even though it means going up against the formidable Immortal Luther, and very possibly losing her head. She comes to Mac for a final fling before her likely death, and when he discovers that she's after Luther, he tries to take the battle on himself, feeling he has a better chance of survival. Together they discover that Luther is hunting the pieces of an ancient crystal that Rebecca divided among her students, believing that the whole crystal will make him invulnerable and ensure that he is the Last Immortal

Richie returns, on the run, turning to MacLeod for help. An Immortal has been following him, refusing to confront him, but committing grisly murders wherever Richie goes. Richie is arrested for the murders

Pete Wilder just saved Richie from an attack by some guys wearing Watcher tattoos. Or did he? Nothing is what it seems, and MacLeod becomes increasingly wary of Pete, despite Richie's protests that the guy is his friend. When MacLeod's mistrust gets the possibly innocent Pete killed, Mac becomes increasingly unsure of himself

Joe Dawson arrives in Paris to let MacLeod know that Horton may still be alive and coming after him. However, when MacLeod meets Lisa Milon, a dead-ringer for Tessa (Lisa Halle after plastic surgery), all thoughts of Horton and the Watchers go out of his head. Richie, unsure if Mac is thinking clearly, goes to Dawson for help and winds up taking a bullet for him when Horton tries a hit