With filthy hair all over his face & horrid plots growing in his mind Mr Twit is one of the nastiest people you'll ever meet & Mrs Twit is just as bad & even uglier! But they don't stop at tricking each other: neighbouring children & even the local birds are in danger & that's where the Muggle-Wumps come in. This family of monkeys has had enough of the Twits' tricks & with the help of the handsome Roly-Poly Bird they decide it's time for sweet revenge...