I do think it’s very, very likely that Mycroft will drop John - and us - some major, major hints about The Final Problem AKA what it’s all for.
You know I think Jim will reveal to John that Sherlock knew the whole time that Mary was Moran and didn’t tell him and this (among other things) will cause John to leave Sherlock temporarily at the end of S4. You also know I think John is currently plotting with Mycroft about Mary. And that I think at the very end S4, Jim will reveal to Sherlock that someone close to Sherlock has been working for Jim this whole time.
So I think at the beginning of 5x1, I think John will be drinking and brooding alone as per, and thinking about how Sherlock knew Mary was Moran and didn’t tell him, and how obvious it is that Mary worked for Jim in hindsight … and then he’s going to realize that if Sherlock knew Mary worked for Jim, there’s someone else, just as clever as Sherlock, who would’ve known, too: Mycroft. And John and Mycroft were working together about Mary, and Mycroft still didn’t tell him. And if this isn’t a neon sign that Mycroft is the one under Jim’s thumb, IDK what is.
So that’s how I think John is going to be the one to figure out Mycroft is under Jim’s thumb. I think John will spend 5x1 awkwardly trying to convince Sherlock of this, and Sherlock will be like “What’s that? Suddenly, I can’t hear you.” The fact that John thinks Mycroft is the one working for Jim will probably not help John and Sherlock’s reconciliation go great LOL.
At some point in 5x1, I think John is going to confront Mycroft about being under Jim’s thumb. How that goes may depend a bit on what John thinks are the specifics:
- “Maybe Mycroft is working for Jim, but I’m not sure; maybe Mycroft’s playing Jim”
- “Mycroft is under Jim’s thumb, but he definitely loves Sherlock, so Jim’s got to be blackmailing him in some way”
- “I always thought Mycroft was a tool; he’s probably working for Jim of his own volition”
Regardless, I think Mycroft is going to use this opportunity to drop some extremely pointed hints to John about what Jim’s goal is. Mycroft has to have always suspected he might end up dead from this game with Jim, and by the time 5x1 gets going, he’s got to be thinking there’s a possibility he’ll be dead within the month (which, in fact, he will). So anything that he knows that will protect Sherlock from Jim, he’s got start talking about now. But he can’t really just say “John, you have to shag Sherlock for the safety of the free world” because it doesn’t work unless John and Sherlock deal with their problems themselves. Otherwise, Sherlock is still vulnerable to Jim. So I think Mycroft will try to strongly point John in the right direction:
“James Moriarty is obsessed. He promised to burn the heart out of Sherlock. His heart, John.”
“Yeah, I was there when he said that.”
“Yes, I believe you were. About to get … scorched, as I recall.”
Possibly Mycroft will have some extremely choice words to say to John if
John hasn’t already reconciled with Sherlock by this conversation. I
suspect either Mycroft or Molly is going to give John a dressing-down
about leaving Sherlock (and the other will give Sherlock a dressing-down
about doing stuff that made John leave). So possibly Mycroft is the one
who gets John to go back to Sherlock:
“There wasn’t one moment, not one, through any of it, that he wasn’t thinking only of you.”
Also, John is going to be so pissed off at Mycroft; the newspapers in TRF were just a warm-up for this one:
“Have you ever done anything for Sherlock that didn’t hurt him?”
Anyway, you can tell this is going to be a great scene.
I think that John is going to be the one to figure out The Final Problem in 5x3, or at least say something major that triggers Sherlock figuring it out, because of what Mycroft tells him in this scene. Sherlock and John have to defeat Jim together; that’s the whole point. And IDK if Sherlock could ever figure out that
Jim’s whole scheme is about sex and romance, but John has probably at
least subconsciously done so already:
JOHN (bitterly): I hope you’ll be very happy together.
Until Sherlock realizes that he and Jim are not playing chess, they’re
playing Operation (until he solves The Final Problem), he’s never going
to be able to win. I think John is finally going to put his jealousy to good use and figure out what Jim wants from Sherlock:
“But what does Moriarty want, John?! This makes no sense!”
“He … wants to shag you? I thought this was obvious. He wants to make you like him and then play creepy games with you, both of the sexual and world-domination types.”
(I actually have a sneaking suspicion that this conversation may take place in their bed immediately post-shag, and this is when we’ll see them in bed together (not having sex, obviously, just in bed). People have made some very solid predictions that we’ll see them in bed together, and I think this might be it.)
More about 5x1>>
The Final Problem>>