World War I was officially over when Colonel Simon Killian ordered his troops into one last bloody attack on the Germans. MacLeod witnessed the massacre and made sure his testimony at Killian's court martial got Killian locked up forever. Seventy years later, Killian is back to return the favor. Meanwhile, Amanda has found a new friend, Melissa, a young thief out for thrills. Melissa wants to be just like Amanda so she changes her hair and her clothes to look just like her — so much so that Killian kidnaps her, thinking she's MacLeod's girlfriend.

Running for his life from Immortal Terence Kincaid, Kenny runs straight into Anne Lindsey's emergency room. Stashing Kenny in the hospital chapel, Anne calls MacLeod for help. MacLeod agrees to harbor him for one night only, but when MacLeod gets him home, Kenny discovers his long-lost teacher there — Amanda!

MacLeod's old friend, Kit O'Brady, comes into town in search of a good race horse and a change of luck. MacLeod knew Kit back in Gold Rush San Francisco, when Kit ran the Double Eagle Saloon. Kit lost the Double Eagle to Amanda in a poker game and has blamed her ever since for his string of bad luck — and he's vowed to kill her. When Amanda chooses to breeze back into MacLeod's life while Kit is there, MacLeod is hard pressed to keep them apart and to keep them from killing each other.

The past comes back to haunt Richie when he spies Mark Roszca, the street punk who killed Tessa. Richie is determined to go after Roszca and revenge Tessa's death. Meanwhile, MacLeod is distracted by the return of an old Immortal enemy, Kanis — a master of hounds who uses his pack of dogs to track and exhaust his prey. This time his prey is Duncan MacLeod.