It follows Theo Richter, an Irish detective who teams with Kiwi cop Diana Huia to find a young Irish couple vanish from an infamous rural North Island New Zealand town. Amidst the search and a race against time, the pair have to contend with a community’s growing disquiet that the disappearances may be linked to a series of historical murders.

Maggie and Tom Cabbott move to the town of Pelorus to escape the oppressive influence of Tom's family. But when he disappears, unsettling facts about Tom soon come to light and the search brings long-buried wounds to the surface.