When The Replacement Says Goodbye
64 Episode
After three years of marriage to Xander, who was ten years her senior, Katherine learned she was merely a substitute for Sylvia. She immediately filed for divorce. When Xander interrupted Sylvia's forced wedding to protect her, he didn't realize Katherine was present. She publicly shredded the love letter, displayed the divorce decree, and severed all ties before disappearing. Xander later realized his love for Katherine, but by the time he tracked her down, she had moved on with a new partner, shattering his world.