On her first day back from maternity leave, Detective Sam Shephard is thrown straight into a cold-case investigation - the unsolved murder of a highly respected Anglican priest in Dunedin. The case has been a thorn in the side of the police hierarchy, and for her boss it's personal. With all the witness testimony painting a picture of a dedicated church and family man, what possible motive could there have been for his murder? But when Sam starts digging deeper, it becomes apparent someone wants the sins of the past to remain hidden. And when a new potential witness to the crime is found brutally murdered, there is pressure from all quarters to find the killer before anyone else falls prey. But is it already too late . . . ?