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.
I couldn't grant you your final wish.
.لم أستطع تحقيق أمنيتك الأخيرة
Ich konnte Ihnen
Ihren letzten Wunsch nicht erfüllen.
No pude concederte tu último deseo.
Je n’ai pas pu exaucer
votre dernier souhait.
Não pude conceder seu último desejo.
Я не смогу исполнить
 твою последнюю просьбу.