With things finally working out in every aspect of her life, Dr. Sydney Warner thinks she's in for the best Christmas ever. But when a contestant in a local home decorating contest is found dead on his front lawn during the light display, her holiday season takes a turn for the worse.

Detective Andrew Lange wants Sydney's help unraveling the clues, especially since the murder weapon is nowhere to be found. This proves to be Sydney's toughest case yet as the list of suspects keeps piling up, and a case can be made against any one of them. Can she figure out who really killed the town's reigning Christmas champion, or will this be the case that finally proves too much for even Sydney's professional abilities?