A strange clue in an empty room, a blood-soaked car, a priceless Old Master, a deranged bomber. With the clock ticking, the curtain rises on a battle of wits between Sherlock, John and the shadowy stranger who seems to know all the answers...
| Creator | Mark Gatiss |
|---|---|
| Actor | Benedict Cumberbatch, Martin Freeman |
| Country | United Kingdom, United States of America |
| Production | Hartswood Films |