nine o'clock
In Paris there existed a general sense of uneasiness and alarm . The butchers , feeling that their doings had excited a strong reaction against them , and that several of the other guilds , notably that of the carpenters , were combining against them , determined to strike terror into their opponents by attacking some of their leaders . Several of these were openly murdered in the streets , and the houses of others were burnt and sacked . One evening when Guy had returned at nine o'clock from a supper at Count Charles 's lodgings , it being the first time he had been out after dark since his first adventure , he had but just gone up to his room , when he heard a loud knocking at the door below . Going to the front window he looked out of the casement . `` Who is it that knocks ? '' he asked .