In a picturesque area in the north of Scotland, a fishing school begins its work: eight people come to the village of Lochdub to catch trout and have a great time. However, from the very beginning, everything goes wrong: scandals and gossip overshadow the rest, and a few days later a murder occurs.Hamish Macbeth, the village constable, takes over the case – according to the locals, a rare mutt and an incorrigible lazy man. But appearances are deceptive, and Constable Macbeth's shrewd mind can easily handle an investigation, no matter how hard everyone around him tries to prevent it.