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.
One was the ring you just mentioned.
.أولهما هو الخاتم الذي ذكرته
Einer davon war der eben
besprochene Ring.
Una fue el anillo que acabas de mencionar
La première est la fameuse bague.
Uma, a aliança que você mencionou.
О первом я только что рассказал.