Three years have passed. Watson has mourned, married, and moved on. Then a visitor arrives at his consulting room a bookseller with a story about a locked room, a murder, and an impossible escape. The bookseller is Holmes. He has been alive all along, traveling the world, dismantling Moriarty's remaining network. He returns to London because one last thread remains: Colonel Sebastian Moran, Moriarty's most dangerous lieutenant. The collection that follows contains thirteen stories, each one a restoration of the …

A family has been haunted for generations by a phantom hound that stalks the misty moors of Dartmoor. The latest heir has died of fright. His nephew, the new heir, has received a warning: do not come to Baskerville Hall. Holmes is skeptical of ghosts. He sends Watson ahead to protect the young man and report back. Watson arrives in a landscape of fog, ancient ruins, and isolation. The locals speak of the hound in whispers. The neighbors behave strangely. …

A hidden treasure. A mysterious pact. A deadly secret. When a cryptic message summons Miss Mary Morstan to unravel the mystery of her missing father, Sherlock Holmes and Dr. Watson are pulled into a dark tale of betrayal, greed, and revenge stretching from colonial India to the fog-laced streets of London. As Holmes follows the twisted clues, a dangerous pursuit unfolds—complete with poisoned darts, shadowy alliances, and a chilling pact sealed by The Sign of the Four.