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.

Dawson has a new girlfriend, art historian Lauren Gale, and a new attitude on life. Unfortunately, Dawson arrives at Lauren's house one evening to witness her murder. We discover the murderer is Armand Thorne, benefactor of the Thorne Museum of Antiquities, who was being investigated by Lauren. MacLeod finds an ancient gold cross on display in Thorne's museum, a cross that had been stolen out from under his protection nearly two hundred years before. Armand Thorne, MacLeod discovers, is actually John Durgan, the Immortal trapper who murdered a frontier priest and stole the cross. MacLeod persuades Amanda to come out of cat-burglar retirement and help him to steal the cross from the museum in order to lure Thorne out of his heavily protected fortress. MacLeod confronts Thorne, taking his head, and finally gets fulfill his promise to return the Cross of St. Antoine.

Lawyer Robert Waverly is leaving his mistress' apartment with his video camera when he sees MacLeod locked in combat with an evil Immortal. Waverly makes sure he gets it all on tape -- the fight, the death, the Quickening. He then tries to cut a deal with MacLeod: if MacLeod kills Waverly's wife, then Waverly won't go to the police. When Kurlow, partner of the Immortal MacLeod killed on the tape, comes after MacLeod, Waverly, unaware of what he's dealing with, proposes another deal. A la ""Strangers on a Train,"" Waverly will kill Kurlow and MacLeod will kill Bruno's wife, and no one will suspect a thing. Waverly challenges Kurlow, who kills Waverly easily and MacLeod is left to save Waverly's wife and get rid of Kurlow.

Friends become enemies and the past is revealed when Immortal Andrew Cord in gunned down and MacLeod discovers the sniper is Charlie DeSalvo, his good friend who used to run the dojo. Charlie, who left MacLeod to fight the good fight in the Balkans with his love, Maria, is after Cord, who murdered her. Dawson knows Cord as the man who saved his life in Vietnam after a mine explosion took his legs and he begs MacLeod not to fight him. MacLeod agrees -- until Cord turns the tables and sets his sights on Charlie.

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.

The last time Richie Ryan saw Duncan MacLeod, MacLeod was about to take his head. He was stopped by Dawson's bullet, but Richie's world was shattered. Now Richie's back -- kicking butt and taking heads. One of those heads belonged to Carter Wellan, and now Wellan's good friend Haresh Clay is out to avange his comrade. MacLeod has his own long-time grudge against Clay, who humiliated and destroyed one of MacLeod's finest teachers. MacLeod must try to rebuild Richie's trust while they vie to be the one to face Clay in combat.

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.

It's 1929, and Hugh Fitzcairn is enjoying the life of an English lord. He has good friends, a beautiful wife, trusted servants . . . until one of his nearest and dearest ""murders"" him, that is. Now, with the help of his old friend Duncan MacLeod, Fitz is determined to uncover the identity of his own murderer -- before more bodies start piling up.