Justina Bradleigh is a beautiful but spoilt 18-year-old pupil at St Godwald's, a girls' public school. She is secretly going out with Perry, a cocky young man who is constructing the school's new swimming pool. She is very bitchy to Deborah, her father's new girlfriend. Ken and Harry are employed to guard a fashion show and charity gala that the school will shortly be starting. The school receives a bomb threat, which the headmistress, Hester McCullock, says is just the latest in a long line of pranks which are starting to affect the reputation of the school. Hsster asks Ken to investigate before parents start threatening to take their girls away. Harry is keen to join the local branch of the Conservative party, of which Simon Bradleigh is the chairman. Simon tells Harry that ""the party takes a dim view of confirmed bachelors"", so Harry is under pressure to find himself a wife! Simon tells him that he knows of ""an exclusive introduction bureau"" run by Davina Barclay. Harry is very scep (thetvdb.com)