The victim was a high-powered lawyer from a prestigious firm. Sherlock’s deduction was swift: the man had been murdered elsewhere with a missing wrench and placed on the plane as "cargo" to hide the crime in a fiery crash.

Sherlock regarded the invitation with cold disdain, insisting it would "never happen".

Watson was "understandably peeved" when she realized she’d been sharing an expensive meal with an actor rather than the man who funded Sherlock's life. A Rare Moment of Truth

Between forensic tests and stakeouts, Watson was fighting a different kind of battle. Sherlock's father, the elusive and wealthy Morland Holmes, was in town and demanding a dinner with his son.

To get Watson off his back, Sherlock pulled a "clever-cruel" prank, hiring his friend Allistair to impersonate his father at the dinner.