Gemma Curtis’s morning at the Bookworm Bookshop and Café is abruptly interrupted when a group of young boys stumble upon a body at the Belper River Gardens. But the long-submerged remains offer few clues to a possible identity. Drawn into the case as a freelance consultant to the police, Gemma once again teams up with her friend Mavis and her partner, Detective Inspector David Haynes, to find the killer.