Read it through once

It was a grey day, with shafts of sunlight coming through, and as the cab passed over Waterloo Bridge, London, various embankments and St. Paul's on one side, wharves and warehouses on the other, appeared in grey curves and straight silhouettes. The pavements were lined with young men--here and there a girl's dress was a spot of colour in the grey morning. At the station they met Journeyman and old John, but Sarah was nowhere to be found. William said--