Nana BaNanie and her granddaughters share many adventures and cherish their time together. At the end of the day they wrap up those treasured memories carefully tucking them into their hearts and then count how many sleeps until the next visit. When the Big Big Germ unexpectedly arrives in town one night, their plans drastically change. No longer able to leave their homes for in person adventures, they must adjust and create new ways to visit. The treasured memories that have been wrapped in their hearts become a source of comfort and joy carrying them through the months of separation. The Big Big Germ finally leaves and they are able to once again gather in person. They learned to embrace the memories of times shared while adjusting to the unexpected changes to their daily life. And they have a new appreciation of their treasured time together.