Santa’s workshop is bustling on the day before the big parade. His staff needs to check some last-minute details with Mr. Macy, but when they open his office door, they find Mr. Macy dead! But how is that possible? Everyone knows that only fictional characters exist, and they can’t die! Dr. Angus MacCrimmon makes a guest appearance to help figure out who killed Mr. Macy and why — and, in the process, prove the existence of “real” people.