Philadelphia / Atlanta

The first victim is found in a snow-covered Philadelphia field. Detective Vito Ciccotelli enlists the aid of archaeologist Sophie Johannsen to determine exactly what lies beneath the frozen ground. Despite years of unearthing things long buried, nothing can prepare Sophie for the matrix of graves dug with chilling precision. The victims buried there haunt her. But the killer isn't done yet. He is cold and calculating, the master of a twisted game. Even with Vito and Sophie hot on his trail, he will not stop.

Special Agent Daniel Vartanian has made a horrific discovery - photographs, taken years ago by his brother Simon, show a gang of teenagers raping young girls. Disgusted, Vartanian vows to bring them all to justice. Alex Fallon's family fell apart when her sister was murdered thirteen years ago. And history now seems to be repeating itself with her stepsister Bailey's disappearance. When Vartanian meets Alex, and realises that her dead sister was in the photos, he starts to believe that the rapists may be behind Bailey's disappearance.

Not long after his brother, Simon, was revealed to be a ruthless serial killer and met his demise, Special Agent Daniel Vartanian is drawn back into Simon's dark past. A series of recent killings are mimicking an unsolved murder from 13 years ago which is somehow linked to a collection of photographs that belonged to Simon.

Susannah Vartanian's life changed overnight when, as a teenager, she was viciously raped by a sadistic gang of youths. Now she won't allow anyone to get close to her. Luke Papadopoulos is approaching burn-out. As a detective working on sex-crimes against children, he will do anything to find those responsible for such evil atrocities. Monica Cassidy's life is under threat. Held in a bunker with ten other teenage girls, she barely escaped with her life. Now Monica is the only one free who can identify her abductors, and they know where she is.

Five teenage girls have been murdered. One survived, and only she can reveal the disturbing secrets of a ring of people who kidnap and sell teenage girls on the black market. But those responsible for the crimes will do whatever it takes to maintain her silence.