
04/10/2025
One broch, two millennia, three murders. ‘Thicker Than Water’ is a compelling murder mystery set in northern Scotland.
The fictional Sarclet Castle on the east coast of Caithness south of Wick is the focal point for much of the story and close to the scene of three murders. It is partly based on the real Castle of Mey on the north coast of Caithness, shown here.
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Callum Anderson and Jenny Mackay are spending Hogmanay at Sarclet Castle in Caithness when they are asked to investigate the brutal murder of a young woman at nearby Sarclet Broch in 1943, a woman whose ghost is believed to haunt the castle.
What seems the coldest of cold cases is not the first murder of a young woman at the broch: there was another nearly two thousand years earlier. Nor is it the last. On the day that Callum and Jenny arrive, there is a third fatal stabbing there.
Their investigation into the 1943 murder uncovers shoddy police work and the possibility of a serial killer: but can anything be proved after eight decades? Meanwhile they find themselves drawn into the increasingly dangerous hunt for the latest murderer.