Sergeant Jack Driscoll investigates the death of an immigrant, raising old secrets and putting his father's powerful friends under scrutiny.
Jack's investigation of a toddler's disappearance impacts on his romance with Maggie. Are Gerry's past misdemeanours catching up with him?
When Jack's old flame and colleague Maura Dooley arrives on the scene, Jack realises that his counterparts in Dublin are part of the bigger picture.