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 the present, Mac teams up with Joe Dawson to discover what Ward is up to and protect the young woman he's set his sights on this time.

What happens to a kid who hits Immortality before he hits puberty? MacLeod and Richie take in 10-year-old Kenny, who asks for their protection after the fatherly Immortal who was protecting him is beheaded. Kenny, we discover, is not the sweet little lamb he appears to be. He has been Immortal for nearly 800 years, and has survived all that time by convincing other Immortals to take him in and protect him -- and then taking their heads. Kenny tries to get MacLeod, but he is continuously thwarted by the presence of Anne. Kenny attempts to get Anne out of his way, but MacLeod, realizing the truth about Kenny, manages to rescue her. He goes after Kenny to stop him from killing again, but Kenny manages to escape by blending in with a group of innocent children.

When two Watchers end up dead by Kalas' hand, Joe realizes that Kalas is looking for Methos, the mythical ""oldest Immortal."" MacLeod knows that, with Methos' quickening, Kalas would finally be strong enough to defeat him. Kalas and MacLeod race to be the first to find Methos. Meanwhile, Richie muscles his way onto a top level motorcycle racing team and the champion, Basil, starts to get nervous. Flashbacks are to Paris in the 1920s, when Kalas, then known as Antonio Neri, was the toast of the opera world. When Kalas threatens a young girl in MacLeod's protection, they fight. Kalas escapes, but not before MacLeod inflicts a throat wound that destroys Kalas' vocal chords and the singing that has been his life since the Middle Ages. Kalas nearly takes Methos in battle and, realizing that he will not be able to defeat Kalas, Methos offers his own head to MacLeod. MacLeod refuses and challenges Kalas on his own, nearly defeating him when the police arrive to send Kalas to prison for the dea