Searching for the true killer of Count Drebber, Sherlock and John set a trap for the culprit using a wedding ring found at the murder scene as bait. After a struggle in which the ring is lost, Sherlock is able to deduce who the real killer is.
You surprise me. I did not expect you
to investigate so thoroughly.
.فاجأتني. لم أتوقع أن تتحرّى بدقة هكذا
Da bin ich wirklich erstaunt.
Você me surpreende.