When a murder is witnessed on a webcam at the Seabird Centre near Edinburgh, DJ Smith - undercover agent for HMRC - knows that drug baron Hiram J Spinks has returned to Scotland. Never one to stick to orders, Smith rents an apartment in the hunting lodge Spinks is using as a front, posing as upper-crust Vanessa Dewar-Smyth. Which of her fellow residents though is involved with the drug ring? But Spinks is one step ahead of DJ and she is both the hunter and the hunted. Their battle of wits comes to a head at Edinburgh International Festival's fireworks concert, with explosive consequences...