A week later, a gruesome discovery is made in the woods at Ireland's most scenic beauty spot - the valley of Glendalough. The bodies are all young women who disappeared in recent years. D.I. Tom Reynolds and his team are faced with the toughest case of their careers - a serial killer, who hunts vulnerable women, and holds his victims captive before he ends their lives.
Soon the race is on to find Fiona Holland before it's too late.