MacLeod arrives in France, leaving a trail of hate and destruction in his wake. Methos finds him and discovers just how evil MacLeod has become when he tries to take Methos' head on holy ground. After MacLeod kills another good friend, Methos realizes that the only way to save MacLeod may be to kill him.

When Gina and Robert de Valicourt met 300 years ago, even Gina's suitors MacLeod and Fitzcairn had to admit they were destined for each other. Each century, as Robert and Gina renewed their wedding vows before their friends and fellow Immortals, their love grew stronger. But now their marriage is on the rocks. MacLeod decides it's up to him to reunite the once happy couple, and he enlists a very unwilling accomplice in his cunning plan.

Dawson's life is on the line when the Watchers try him on the charge of treason for his friendship with MacLeod. Watcher deaths have risen dramatically since Dawson first told MacLeod about the Watchers and the Tribunal is determined to punish Joe and stop the killing. MacLeod and Dawson argue his case, but even as the trial goes on, the Watcher killings continue.

After the Scottish massacre at the Battle of Culloden in 1746, Duncan MacLeod was a man possessed, obsessed, with killing the English bastards who had destroyed his people. Now Immortal Steven Keane has come to make MacLeod pay for his murderous crimes. Amanda urges MacLeod to take Keane's head and be done with it, but in his heart MacLeod knows that Keane is right -- he is a murderer -- and that Keane is judging him just like MacLeod has judged so many others.