Former FBI agent Sam Delvecchios first assignment for missing persons unit The Mercy Street Foundation has all the telltale signs of a serial killers work. & 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 its obvious that theyre pursuing the same twisted quarry. Then Sam & Fiona realise the killers horrific intent
- the staging of the Catholic Churchs seven Acts of Mercy with the bodies of his victims. But its not until they are both racing to prevent the final three murders & they start receiving taunting messages from their target that the terror really begins.. .