Miriam promises her lovers the gift of eternal life, but John, her companion for centuries, suddenly discovers that he is getting old minute by minute, so he looks for Dr. Sarah Roberts, a researcher on the mechanisms of aging, and asks her for help.
He fought his first battle on the Scottish Highlands in 1536. He will fight his greatest battle on the streets of New York City in 1986. His name is Connor MacLeod. He is immortal.
In the far future, a savage trained only to kill finds a way into the community of bored immortals that alone preserves humanity's achievements.
Madeline is married to Ernest, who was once arch-rival Helen's fiance. After recovering from a mental breakdown, Helen vows to kill Madeline and steal back Ernest. Unfortunately for everyone, the introduction of a magic potion causes things to be a great deal more complicated than a mere murder plot.
Starts off in the 15th century, with Connor McLeod training with another immortal swordsman, the Japanese sorcerer Nakano. When an evil immortal named Kane kills the old wizard, the resulting battle leaves him buried in an underground cave. When Kane resurfaces in the 20th century to create havoc, it's up to McLeod to stop him.