After receiving the approval of Miss Hudson, landlady of 221B Baker Street, John H. Watson, recently returned from the Afghan War, becomes the housemate of consulting detective Sherlock Holmes, who himself is soon implicated in a serious crime.
Excuse me, is anyone at home?
عفوا. هل من أحد في المنزل؟
Entschuldigen Sie, ist jemand zuhause?
Perdón, ¿hay alguien en casa?
Pardon, est-ce qu’il y a quelqu’un ?
Com licença, tem alguém em casa?
Извините!
 Кто-нибудь есть дома?