When the past is carved into the present, can one detective decipher the truth?

DCI McNeill, at the helm of Edinburgh's Serious Crime Unit, is accustomed to confronting the city's darkest secrets. However, a body discovered in an impoverished tower block, marked with Celtic symbols, propels him into a case that challenges even his seasoned instincts.

But the victim's link to the city's treacherous drug scene and a notorious crime lord complicate matters. With diverging leads and mounting pressure, Mac seeks the expertise of Dr. Clio Wray, a scholar in ancient symbology.

As another body emerges and unsettling connections to Mac are revealed, the case spirals into uncharted territory. Then Clio unearths a chilling clue hinting at a third victim and Mac has no choice but to follow.

Drawn into the labyrinthine depths of a fractured mind, Mac is about to face an explosive challenge that could cost him his life.

Scars of the Past is the first DCI McNeill crime thriller.