When a rash of violent crimes spreads from London and shadowy powers blackmail the Scottish parliament, the Redferne siblings must consider the unthinkable to preserve the nation - joining forces with the woman involved in their parents' deaths.

The twin threats of magic and nanotechnology are stirring, combining to elevate The Tartantula, a conspiratorial organization that will stop at nothing to seize control of Scotland. Faraday must set aside his accusations long enough to solve the puzzle of murderous teenage girls. And will Higgs's newfound talents be able to stop the death clock and protect her friends from otherworldly magic in the remote Glen Ghuil? Not if the rogues arrayed against them flex their overwhelming powers. Join the Redferne family and their colourful adversaries in Shadow Over Loch Ghuil.