Ten-year-old Eddie couldn't believe it when he found three furry monsters living in the basement of his house. Fiend, Haggis and Norman are the naughtiest, stinkiest, craziest friends he could wish for!But now his Mum, Dad and sister are in on the secret too, can the Carlson family learn to live with their newly adopted monsters? When Fiend, Haggis and Norman make one mess too many, Eddie's Mum tells them they need to learn to clean up . . . OR ELSE. Can Eddie teach the monsters to be tidy?