Mick Malone just wants to spend a traditional highlands Christmas with his family and friends in Scotland. But it proves to be more than the quiet visit he was counting on. Something is killing the local fish population and someone is killing local village inhabitants. In this third Mick Malone mystery, Mick again teams up with his friend and colleague Jock McDuff to save the village of Glengarron from a criminal scheme that threatens to ruin a joyful holiday. And at the center of it all is Loch Duny, a beautiful highlands lake that will finally give up its secret.