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.
Just providing a little assistance.
.بعض المساعدة ليس إلا
Nur mit einer Kleinigkeit.
Solo brindarme algo de ayuda.
Juste un petit coup de main.
É só uma pequena ajuda.
Да так, небольшая услуга.