Ernest Cunningham didn't set out to have a career solving crimes; but here he is, two high-profile murder cases under his belt. Which, if you're following the rules of Golden Age mysteries, as Ern always does, means it's not his turn to participate in the time-honored tradition of the Holiday Special. So he's not surprised when, between the lush valleys and soaring clifftops of Australia's Blue Mountains National Park, the bodies start piling up on December 21. The clues are abstract: A flashy magician's deadly trick. A heinous murder committed without setting foot inside the room where it happens. A lethal paper cut. And an advent calendar. Because, you know, 'tis the season. The suspects are even more obscure: A blood-soaked amnesiac. A disgruntled prop master. A (literally) hypnotic twin. And herrings redder than Rudolph's nose. As Ernest begins making a list of suspects, and checking it twice, he realizes he's up against the most devious plot he's faced so far. Will he make it home alive for Christmas?