When security foreman Gary Mallon is fatally wounded during a robbery at a Blyth container port the evidence points to an audacious heist that went awry. Vera begins to suspect an inside job. But the investigation takes an unexpected turn when Gary's ex-wife contacts police with the news that their 13-year-old son is missing.
Gary Mallon was acting under duress - the victim of a tiger kidnapping. His son was being held as collateral - but where is he now?
