Tom falters on the tightrope between his police investigation and his illicit pursuit of the murder weapon and the gold, as it all threatens to come tumbling down.

Tom is forced to deal with the killer in order to stay in the hunt for the gold, but a revelation from Izzy threatens to knock him off course.

When a former IRA man is abducted, DCI Tom Brannick is forced to confront an assassin who haunts his past, in order to crack the investigation in the present.