You may think you know the love triangle, but you've never seen love triangles like these. A teen girl who offers kissing lessons. Zombies in the Civil War South. The girl next door, the boy who loves her, and the girl who loves them both. Vampires at a boarding school. Three teens fighting monsters in an abandoned video rental store. Literally the last three people on the planet. What do all these stories have in common?
When a woman's body is found in a North London flat clutching a bloodstained sliver of X-ray, DI Thorne discovers that the victim's mother had herself been murdered fifteen years before by the infamous serial killer Raymond Garvey. When more bodies and more fragments of X-ray are discovered, a horrifying picture emerges: a killer is targeting the children of Garvey's victims...