Brighton, Christmas 1957 was memorable in all sorts of ways. It was the year of the Queen's first Christmas broadcast for one thing, as well as Mrs Groynes' first Christmas married to Captain Hoagland ...

The other contains the head of one of Mrs Groynes' old criminal accomplices, Birthmark Potter. It is a warning to them all that Mrs G's criminal nemesis Adelaide Vine is heading back to Brighton, and ...