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…1.The Cars That Ate London by Jonathan Morris.The advent of electric carriages on London’s streets causes a stir -until they start careening out of control. Elsewhere, factory workers lose their senses, while a brand-new power plant suffers mysterious outages. 2.A Photograph to Remember by Roy Gill. The Paternoster Gang are shocked to discover a rival group on the streets. A Sontaran, a Silurian and a human - only their intentions are not quite so noble as Madame Vastra and friends. 3.The Ghosts of Greenwich by Paul Morris. Strange things are happening to the people of Greenwich. Phantoms of the living appear, while others are aged beyond their years. A cloaked figure stalks the streets, and time is out of joint. CAST: Neve McIntosh (Madame Vastra), Catrin Stewart (Jenny Flint), Dan Starkey (Strax), Daisy Ashford (Penny Lambeth/Angie Sangster), Lucy Briggs-Owen (Charlotte Mayfly), Trevor Cooper (Sir Jasper Eagleton/Old Smallpiece/Jonathan Mayfly), Alan Cox (Fabian Solak), Beth Goddard (Vella), Julia Hills(Madeline/Ethel Pullman), Arthur Hughes (Tom Foster), Joseph Kloska (Neville Plumstead/Bobby Harris), Alex Lower (Archie Flowers), Finlay Robertson (Inspector Cotton/Silas Beckett), Christopher Ryan (Stonn). Other parts played by members of the cast.