Sherlock is upset at not knowing who the mastermind behind the Noahtic and Drebber cases is, and takes his frustration out on John. While returning by train from an investigation, Sherlock has a chance reunion with William.
What if...? What if, at that moment...?
ماذا لو...؟ ماذا لو أنه في تلك اللحظة...؟
Hätte ich …
¿Qué tal si en ese momento…?
Si jamais, à ce moment-là…
E se... E se, naquele momento...
Если бы... Если бы я...