This farce concerns the culprit in Lady Godard's murder. A certain detective makes it clear that Lady Godard was murdered by a member of her own family, despite their protests. Regrettably, the services of the detective's bodyguard are required. 
Yes, I am aware of that.
أجل، أعرف ذلك
Ja, das weiß ich schon.
Sì, lo so.
Sim, estou ciente disso.