This title was released in October 2020. It will be exclusively available to buy from the Big Finish website until December 31st 2020, and on general sale after this date.

Victorian London harbours many secrets: alien visitors, strange phenomena and unearthly powers.

But a trio of investigators stands ready to delve into such mysteries: the Great Detective, Madame Vastra, her resourceful spouse, Jenny Flint, and their loyal valet, Strax.

If an impossible puzzle needs solving, or a grave injustice needs righting, help can be found on Paternoster Row.

But even heroes can never escape their past...

4.1 Merry Christmas, Mr Jago by Paul Morris

As Vastra searches for relics of prehistory, Jenny worries about security, and Strax wants to find a suitable gift for his friend.

Henry Gordon Jago has been invited to spend Christmas at Paternoster Row – but when presents are unwrapped, the surprises inside could prove deadly!

4.2 The Ghost Writers by Roy Gill

While Jenny and Strax investigate sightings of fauns beneath streetlights and mermaids in bath-houses, Madame Vastra is invited into a different mystery.

The literary members of the Antediluvian Club have strict criteria for entry, and Miss Edith Renner needs Vastra to access their secrets.

4.3 Rulers of Earth by Matt Fitton

Ancient forces have risen, Vastra and her friends are lost to each other, and a terrible prophecy is taking shape.

A pretender to the throne allies with a force from prehistory, while an unlikely ally searches for the Paternosters.

The Gang must face their destiny, as the fate of Earth is decided...