Mildred, Maud, Ethel & Drusilla are sent on work experience to Mrs Cosie's Cafe & learn all there is about running a restaurant. That is until Ethel changes the Cafe to be the way she likes it. Ethel claims its just for fun, but when a group of tourists & Grand Wizard Hellibore all arrive at the same time the girls must find a way to get out of the mess!