Louisa is in receipt of anonymous love letters and subsequently learns that it's all joke perpetrated by two of her guests, young Oxford students having a bit of a laugh before returning to school. Louisa decides to play along and tries to turn the joke on them but it doesn't turn out quite as expected when the supposed author of the letters, Professor Stubbs develops a genuine affection for her. Meanwhile Charlie Haslemere and his wife Margaret arrive at the hotel. Margaret is worried that she has not been able to conceive and unbeknownst to Charlie, sees a specialist on the subject.
—garykmcd