Former FBI agent Sam Delvecchio's first assignment for missing person's unit The Mercy Street Foundation has all the telltale signs of a serial killer's work. And his grim suspicion is confirmed when agent Fiona Summers shares the details of two other killings with eerie similarities. When a fourth victim is then discovered, it's obvious that they're pursuing the same twisted quarry. Then Sam and Fiona realise the killer's horrific intent - the staging...