Lindsay O'Loughlin's mourning period ends abruptly when a killer starts to stalk her sister's husband. While investigating, she discovers a connection between the stalker and Conor. He was involved in a fracas on O'Connell Bridge, Dublin, nearly eighteen years earlier, when a youth was kicked to death. The stalker is looking for retribution for Neil's death. She experiences threats, attempted kidnapping and near-death as she tries to find the stalker before he kills again.