One set of tracks leads into the cabin where Eugene Pettijohn lies stone-cold and shot at close range. One set of tracks belonging to his longtime neighbor and enemy Herb Schultz-who found Eugene, milked the cow, called the vet, and only then called police. It is known that Pettijohn was alive after the snow began to fall, so if Schultz didn't shoot Eugene, who did?Dr. Erica Merrill becomes embroiled in the investigation when she makes a house call...