Mark had been in love with Jane since childhood. When he proposed marriage to her at a restaurant, she rejected him to be with David Jones instead, upsetting Mark. In a jealous rage, Mark later went to the restaurant and fatally stabbed David through the heart. Mark was arrested and served six years in prison. During this time, he regretted his actions and called Jane to ask for forgiveness, but she refused and said she hoped he would die like he had killed her true love.