Not many people know that every house is secretly inhabited by little monsters. These furry creatures take care of a family's house but cannot be seen. Finnick is a little monster, who doesn't seem to care about his responsibility of making a home out of the house. But everything changes when a new family comes to his house. When Finn meets thirteen-year-old Christine, inexplicable events begin to happen in the city and life will never be the same again. Get ready for cosy magic, tiny creatures, and a heartwarming tale that'll make you see your own home in a whole new light!