
3 Episodes
Short on time? Here's the essentials:
Sherlock Holmes, a brilliant but eccentric detective, returns to London two years after faking his death. His reappearance shocks his loyal friend, John Watson, a doctor who has moved on with his life. Sherlock, driven by his insatiable need for intellectual challenge, immediately pulls John and his fiancée, Mary Morstan, into a dangerous plot.
The season's central conflict revolves around Charles Augustus Magnussen, a powerful blackmailer. During John and Mary's wedding, Sherlock's investigation into Magnussen uncovers Mary's past as an assassin. The season culminates with Sherlock shooting and killing Magnussen to protect John and Mary. Facing exile, Sherlock is unexpectedly recalled when Moriarty's image appears on screens, hinting at a new threat.
Season 3 of Sherlock covers episodes 1-3. Here's everything that happened:
Season 3, Episode 1: The Empty Hearse - Two years after his presumed death, Sherlock Holmes makes a dramatic return to London, much to the shock and anger of John Watson, who has moved on and is about to propose to Mary Morstan. While various theories about his survival are playfully explored, Sherlock enlists John and Mary to thwart a terrorist plot to blow up Parliament. The episode concludes with Sherlock revealing his true method of survival to Anderson, and the unmasking of a new, formidable adversary who utters a single, chilling word: "Did you miss me?".
Season 3, Episode 2: The Sign of Three - Sherlock's best man speech at John and Mary's wedding becomes a murder investigation, as he recounts past cases.
Season 3, Episode 3: His Last Vow - Sherlock investigates Charles Augustus Magnussen, a ruthless blackmailer who holds secrets on everyone. Mary Watson is revealed to be a former assassin, shooting Sherlock to protect her past. When Magnussen's "vaults" are exposed as merely his mind palace, Sherlock shoots and kills Magnussen to safeguard John and Mary. He faces exile for the murder, but Moriarty's image suddenly appears on all screens, recalling him from his flight.