An old Army pal of Arthur's, known as Yorkie, comes down to London to chat about old times and have a night on the ale. After a drinking session he goes missing and when Arthur catches up with him he has lost his trousers, apparently after a visit to a lady of pleasure. Yorkie's wife is due to arrive very soon and the trousers, or their replacement, will have to be found.—don @ minifie-1