David Ffitchett-Brown presents a list of teaching aids he would like the headmaster to authorise for purchase, which he does, and Potter is despatched to purchase the required items. When Ffitchett-Brown finds out that some of his class are playing truant he sets off to the local billiard hall to persuade them to return. Meantime some of Potter's purchases turn out to be a bit questionable.
—EdinaJambo