He is a 14-15 year old werewolf whose parents were killed by a vampire named Caliban and his forces. Following this he lived with his grandmother but when she died he ended up living at Apple Grove Care Home. He was eventually adopted by Caliban's good natured brother Lucien Charron who took him to live with him and his daughter Alexa and his friend Tom in the Docklands in London. During the books Trey battles Caliban and his forces and eventually defeats the vampire and avenges his parents deaths.