Sherlock is called in to investigate when a supposedly uncrackable bank vault called “The Leviathan” is breached. Meanwhile, Joan is pleasantly surprised when Sherlock meets her family and defends her choice to become a sober companion.
| Creator | Robert Doherty |
|---|---|
| Actor | Jonny Lee Miller, Lucy Liu, Jon Michael Hill |
| Country | United States of America |
| Production | Timberman/Beverly Productions |