"Tom Bryce did what any decent person would do, but within hours of picking up the CD that had been left behind on the train seat next to him, and attempting to return it to its owner, Tom Bryce is the sole witness to a vicious murder. His young family are threatened with their lives if he goes to the police, but supported by his wife, Kellie, he bravely makes a statement to the murder enquiry team headed by Detective Superintendent Roy Grace. And from that moment the killing of the Bryce family becomes a mere formality..."