As he rounds the corner, he sees bodies lying on the ground.
He takes out his earbuds and hears gunshots.
From inside a building, a man is murdering people one by one.
Credit: CBS
Once finished, he takes off his gloves and leaves everything behind.
Its a stunning, scary sequence that immediately injects this episode with a sense of urgency.
The other thing that does that is the presence of Morland Holmes.
He believes he knows whos responsible for the killings.
The killer is a man named Pierre Gagnier, a for-hire assassin whom Morland previously encountered in Mumbai.
While Sherlock is wary of the lead, Morland provides some hard evidence to back up his theory.
Hes the most high profile of the bunch, after all.
a threat) from Morland.
That means Ethan must not have been the target of the hit.
But what could the motivation for murdering a plumber possibly be?
Still, when looking through Franks possessions, Sherlock notices a tracking program on his phone.
A little bribe from Morland leads to more information about Gagnier, including the location of his apartment.
The NYPD sets up a raid on his place, but things dont go as planned.
Sherlock determines that the numbers in the sudoku are bank account numbers for an offshore Swiss account.
He assumes so because he discovers that Frank the plumber was sleeping with Joels wife.
in the interview room certainly doesnt help his case.
So who did hire Gagnier?
Morland pays him a visit and leverages him a bit but only gets so far.
A blade of grass in a crime scene photo is the tip off.
Sherlock connects the grass seen at the crime scene to the key in typically grown for golf courses.
Then, when going through the security footage, they see Wellstone carrying a golf bag past security.
But why did Wellstone hire Gagnier to kill Frank the plumber?
Well, because Frank wasnt the only man Joels wife had an affair with.
He suggests he has ulterior motives, and lets be honest: He probably does.
This is Morland Holmes, after all.
What those motives might be, though, is a mystery left for later.
It looks like Sherlocks shifting perspective toward his father is only going to get him in deep trouble.
