Are drugs responsible for a sighting of Nessie's long lost relative?Recovering addict Tommy Jarret has just rented a chalet to check out reports of a sea monster near the village of Drim. But when he turns up dead, apparently from a drug overdose, Lochdubh constable Hamish Macbeth finds the lad's demise to be particularly fishy . . . and not of the local salmon variety.Deciding to go undercover, H...