The immortal warrior Connor MacLeod is summoned to a duel again. This time his enemy is Kane, who has been trapped under a mystical mountain in Japan 300 years ago. During archeological excavations, archeologists accidentally release Kane. Now, in order to rule the world, he needs magical energy he can get only by killing the Highlander. MacLeod returns to Scotland to prepare for a decisive battle and to create a new sword in the old smithy. He meets Alex, a scientist at the museum of ancient history. Many years ago, in their previous lives, Alex and MacLeod were in love with each other. Alex manages to discern the mysterious purpose of the approaching battle, which may out an end to the eternal war for the magical energy, supernatural powers and absolute power over the world.