Meet Mr Tiddles - he's not your everyday cat. He's a cat with attitude! When Harry gets a cat of his own, he does everything to make Mr Tiddles happy. Mr Tiddles wants to make Harry happy too. He brings him little presents . . . the odd expired mouse or two, but when Harry wakes up to find a train set, priceless works of art, dinosaurs, robots and a horse named Alan in his bedroom, he realizes things are completely out of control!