Stephanie has said shell provide the lads with something to wear while she washes their dirty clothes - but they get a nasty shock when she reappears with a pair of tiny thongs. And things only get worse when she insists to help put them on. David thought he could just boss the girls about as they work on their science projects. But he reckoned without the cunning Tracy and Sheila who see an opportunity to get the dumb boy right where they want him - trussed up and helpless...