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 after a new family comes to his house. When Finn meets 13-year-old Christine, inexplicable events begin to happen in the city and life will never be the same again!

Sue Ellen Crandell is a teenager eagerly awaiting her mother's summer-long absence. While the babysitter looks after her rambunctious younger siblings, Sue Ellen can party and have fun. But then the babysitter abruptly dies, leaving the Crandells short on cash. Sue Ellen finds a sweet job in fashion by lying about her age and experience on her résumé. But, while her siblings run wild, she discovers the downside of adulthood