It's the day of the play and Miss Grayling invites a potential investor to the school. In a bid to impress him, Darrell is tasked to lead a tour - but all doesn't quite go to plan!

Tensions come to a head between Darrell, Alicia and Sally when a sneezing trick is played on Mam'zelle. Meanwhile, Gwen is alarmed when Matron announces a trunk inspection!