Carol Andrews is planning her grandson CJ's first Christmas down to the last detail. What she didn't plan for is a furnace fiasco, the unexpected appearance of CJ's Other Grandmother, Margo, and her new boyfriend, a family feud, a stolen credit card, and murder. When Margo's boyfriend becomes the police's chief suspect, Carol is forced to add crime-solving to her holiday to-do list before Santa can come down the chimney.