When Abby agrees to stay at the Bird Nest to help Martin and Terza Choi investigate suspicious noises in the attic, she uncovers the source of the soundsand a secret that could change everything for the couple. A forgotten Christmas card points them to several jade tiles, each inscribed with clues that lead toward a hidden treasure. Meanwhile, a surprise snowstorm turns a Hawaiian festival into a winter carnival and stirs up a little friendly competition in the form of a snowman contest, and a missing hiker has everyone searching for signs of life. This series of puzzling occurrences shows everyone how helping other can lead to blessings for all.