In the heart of Edinburgh, a killer leaves a trail of secrets carved in blood.



As the leader of the Serious Crime Unit, DCI ‘Mac’ McNeill is no stranger to the city's darkest secrets. But when a body marked with Celtic symbols is discovered in a run-down tower block, the case challenges even his seasoned instincts.



With the victim's ties to the treacherous drug scene and a notorious crime lord complicating matters, Mac seeks the help of Dr. Clio Wray, an expert in ancient symbology.



But when a second body emerges, an unsettling connection is made to Mac himself.



The case spirals into uncharted territory.



The gripping first instalment in the DCI McNeill crime thriller series.



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Praise for the DCI McNeill series:



5.0 out of 5 stars An Action-packed Thriller That Grabbed My Attention from the Start.

5.0 out of 5 stars My goodness, what a ride. This book outstanding.

5.0 out of 5 stars Mac made a fascinating lead character and the way his team was put together is credit to a superb plot.

5.0 out of 5 stars What a fantastic read

5.0 out of 5 stars Outstanding Edinburgh noir

5.0 out of 5 stars A great psychological thriller