Bert and Betty Brown have got themselves a little angel. Bert found him in his top pocket when he was driving his bus. Bert and Betty's friends think he is lovely. So do Nancy and Jack and Alice from Class 5K. What a wonder! But Acting Head Teacher Mrs Mole is not so sure. Nor is Professor Smellie. Or the mysterious bloke in black who claims to be a School Inspector. Then there's Basher Malone - big, lumbering Basher Malone. He really does not like Angelino. And it looks like he is out to get him ...