Richie viene aggredito da un immortale che, nel tentativo di uccidere il giovane, provoca un disastroso incidente stradale. Mentre si fa il bilancio della strage, MacLeod riesce a catturare l'immortale che si scopre essere un suo vecchio amico.

MacLeod ha spesso terribili incubi in cui si vede ucciso da un uomo incappucciato. Mentre Anne è fortemente preoccupata per la salute del suo compagno, MacLeod riceve la visita di un vecchio amico, un immortale, che, in passato, ha sofferto di pazzia. Mac gli chiede aiuto, ma purtroppo si rivolge alla persona sbagliata.

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.

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.