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.
To what end? Why create such an elaborate plan?
إلى أي مدى؟ لمَ قد يقوم بخطة مفصلة هكذا؟
¿Con qué fin?
Quel est son but ?
Por quê?
Какова его цель?