With everyone's domestic expenses there's usually one item which rocks the family budget. Well in our household I reckon it's Mrs Boyle's hairdos. She reckons it's Robin's Sunday morning pint of wallop. But the Director of Naval Expenditure however, he knows exactly who it is that's mucking up his books. H.M.S. Troutbridge. It's for this reason he's sent for Captain Povey.