The Killing Tide

After a fierce storm hits Scotland, a mysterious cargo ship is swept ashore in the Orkney Islands. Three bodies are uncovered on board, recently deceased and in violent circumstances. Forensic scientist Dr Rhona MacLeod's study of the crime scene suggests that a sinister game was being played on the ship, but who were the hunters? And who were the hunted?

Meanwhile in Glasgow DS Michael McNab is called to a horrific incident where a young woman has been set on fire. Or did she spark the flames herself?

As evidence arises that connects the two investigations, the team grow increasingly concerned that the cases hint at a wider conspiracy stretching down to London and beyond. Orcadian Ava Clouston, a renowned journalist, sets out to prove it, putting herself in grave danger.

When the Metropolitan Police challenge Police Scotland's jurisdiction, it becomes obvious that there are ruthless individuals who are willing to do whatever it takes to protect government interests. Which could lead to even more deaths...