Geronimo Stilton is so busy as the editor-in-chief of The Rodent's Gazette, competing for scoops with rival Sally Ratmousen and her Daily Rat newspaper, and always being dragged into unexpected zany adventures, that he has neglected a bit of his housework. His nephew Benjamin suggests that Geronimo hire some help to clean up around his home. Enter: Professor Cheesewheel and his plan to fully automate Geronimo's house with all the bells, whistles, and technology that money can buy. But will the technology become too much to handle? Geronimo may have to pick up the pace, and even a broom, to clean up this mess!