Lady Cameron and Charles Hornett had been married some fifty years before, but Hornett has now forgotten all about it. Embarrassment is therefore evident when they find themselves as part of a party holidaying in Greece. Meanwhile, the Balmaynes realise they nothing about Roland Redpath, who is about to marry their daughter, but he is in fact the son of their onetime dishonest butler. But that isn't the end of it, as yet more shocks and surprises...