Mortuary assistant Cassie has always believed her parents died in a car crash when she was four. It's one of the reasons she went into forensic science. But now she discovers that her father killed her mother, and until a few years ago was in prison. Compelled to learn more, Cassie asks her friend DI Flyte for help, and they find that this is not the open and shut case they were expecting. An exciting new forensic heroine - for fans of Elly Griffiths.