When rule-loving, leaf-collecting, piano-playing Jigsaw was naughty for good, he dropped his Ratbag friends in a bit of bother – he gave them a good reputation! This nightmare situation needs fixing, pronto, and Ripple and Onion are the best ratbags for the job. But while performing some rat-tastic mayhem, they fall into Cracker the cat's claws... Will their midnight mischief turn them into a midnight snack? Only Jigsaw can help them now!