It is the autumn of 1910, and for 15 long years, Sherlock Holmes and Dr. John Watson have battled R’lluhloig, the Hidden Mind that was once Professor James Moriarty. Europe is creeping inexorably towards war, and a more cosmic conflict is nearing its zenith, as in a single night all the most eminent members of the Diogenes Club die horribly, seemingly by their own hands. Holmes suspects it is the handiwork of a German spy working for R’lluhloig, but his search for vengeance costs an old friend his life.

Three linked crimes test Sherlock Holmes’ deductive powers, and his skepticism about the supernatural, to the limit.  

It is 1890, and in the days before Christmas, Sherlock Holmes and Dr. John Watson are visited at Baker Street by a new client. Eve Allerthorpe, eldest daughter of a grand but somewhat eccentric Yorkshire-based dynasty, is greatly distressed, as she believes she is being haunted by a demonic Christmas spirit. Her late mother told her terrifying tales of the sinister Black Thurrick, and Eve is sure that she has seen the creature from her bedroom window. What is more, she has begun to receive mysterious parcels of birch twigs, the Black Thurrick’s calling card.

Daniel Carter used to be a homicide detective, but his last case - the hunt for a serial killer - went wrong in strange ways and soured the job for him. Now he's a private investigator trying to live a quiet life. Strangeness, however, has not finished with him. First, he inherits a bookstore in Providence from someone he's never heard of, along with an indignant bookseller who doesn't want a new boss.

The year 1894. The monstrous Hound of the Baskervilles has been dead for five years, along with its no less monstrous owner, the naturalist Jack Stapleton. Sir Henry Baskerville is living contentedly at Baskerville Hall with his new wife, Audrey, and their three-year-old son, Harry. Until, that is, Audrey’s lifeless body is found on the moors, drained of blood. It would appear some fiendish creature is once more at large on Dartmoor and has, like its predecessor, targeted the unfortunate Baskerville family. 

The Battle of Serenity Valley was the turning point that led the Independents to their defeat at the hands of the Alliance. Yet the Browncoats had held the valley for weeks against all odds, before being ordered to lay down their arms. Command stated they refused to send in airpower because the ground war was "too hot". But the soldiers who were there insist that was not true.... While picking up a new cargo on Persephone, Captain Malcolm Reynolds is kidnapped by a bunch of embittered veteran Browncoats who suspect him of sabotaging the Independents during the war.

In the absolutely packed Act II, the dark fantasy resumes and the Sandman expands into the French Revolution, ancient Rome, 19th-century San Francisco, eighth-century Baghdad, and beyond. New and familiar characters abound, voiced by a bright mix of performers, including Kat Dennings, Regé-Jean Page, Emma Corrin, Michael Sheen, Kristen Schaal, Brian Cox, John Lithgow, Jeffrey Wright, and so many more, including fan-favorite narrators Simon Vance and Ray Porter.

Repressed scholar Percival Endicott Whyborne has two skills: reading dead languages and hiding in his office at the Ladysmith Museum. After the tragic death of the friend he secretly loved, he's ruthlessly suppressed any desire for another man. So when handsome ex-Pinkerton Griffin Flaherty approaches him to translate a mysterious book, Whyborne wants to finish the job and get rid of the detective as quickly as possible. Griffin left the Pinkertons following the death of his partner, hoping to start a new life. But the powerful cult that murdered Glenn has taken root in Widdershins, and only the spells in the book can stop them.

On an Imperial outpost world on the fringes of tau space, the renowned Commissar Ciaphas Cain and his fractious regiment of Valhallan Guard, newly created from the remnants of two devastated units, find themselves in the middle of a war. As the Astra Militarum struggle to contain worldwide civil insurrection, can the wily Commissar Cain identify the real villain before the planet is lost to the Imperium forever?

The debonair psychic investigator Richard Jeperson is the most valued member of the Diogenes Club, the least-known and most essential branch of British Intelligence. While foiling the plot of many a maniacal mastermind, he is chased by sentient snowmen and Nazi zombies, investigates an unearthly murderer stalking the sex shops of 1970s Soho, and battles a poltergeist to prevent it triggering nuclear Armageddon.

In the year 1933, an elderly Dr. John Watson is looking back over his life and his time spent with his brilliant friend and master of deduction Sherlock Holmes. He writes in a letter to the listener that he has assembled a list of seven untold adventures that span from his and Sherlock's early years until the time of Sherlock's retirement. Watson explains that he wishes to leave, not only his family, but the public with a final compilation of adventures that he and Sherlock shared while he is still able. 

In this thrilling supernatural mystery, Sherlock Holmes and Count Dracula must join forces to banish a terrible enemy. Sherlock Holmes is dead. His body lies in a solitary grave on the Sussex Downs, England. But Dr. Watson survives and is now given permission to release tales in Sherlock’s “classified dossier”, those cases that are, dear listener, unbelievable - for their subject matter is of the most outré and grotesque nature.

Deciphering an ancient alchemy book is more difficult than Zoe Faust bargained for. She'd much rather be gardening and exploring her new hometown of Portland, Oregon - but time is running out for living gargoyle Dorian Robert-Houdin. If Zoe isn't able to unlock an unusual alchemy book's secrets soon, the French gargoyle will remain awake but trapped in stone forever.

In the centre of the freezing Lake Beluarum stands an inescapable asylum, enclosed by the sheer cliffs of Drop Rock island. When Ambrose Grammaticus, famous inventor and master engineer, viciously attacks his own son, Rex, he is hauled to the island and imprisoned.

London. A snowy December, 1888. Sherlock Holmes, 34, is languishing and back on cocaine after a disastrous Ripper investigation. Watson can neither comfort nor rouse his friend - until a strangely encoded letter arrives from Paris. Mlle La Victoire, a beautiful French cabaret star, writes that her illegitimate son by an English lord has disappeared, and she has been attacked in the streets of Montmartre.