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.
As I recall, he wrote a note saying
he was going for a walk late at night,
،حسبما أتذكر، كتب رسالة يقول فيها أنه ذاهب ليتمشّى في الليل
Wenn ich nicht irre,
Según recuerdo,
Si je ne m’abuse,
Pelo que me lembro,
Как я помню,