Merry Christmas from Jodi Taylor. It's time for St Mary's traditional Christmas jump - even though it's only September...

St Mary's has never lacked for enemies, but danger has never been closer to home. A state of war has broken out between St Mary's and the Women's Institute - the Raffia Mafia.

Markham, Max, Peterson and Miss Sykes must jump to Restoration London in search of real Christmas pie - the honour of St Mary's is at stake.

At least that how it all begins, but this is St Mary's after all...