nearly five o'clock
They had gone to a reception . Nor was she at the apartment on the North Side , where , under the name of Jacobs , as Aileen had been informed by the detectives , she and Cowperwood kept occasional tryst . Aileen hesitated for a moment , feeling it useless to wait , then she ordered the coachman to drive to her husband 's office . It was now nearly five o'clock . Antoinette and Cowperwood had both gone , but she did not know it . She changed her mind , however , before she reached the office -- for it was Rita Sohlberg she wished to reach first -- and ordered her coachman to drive back to the Sohlberg studio . But still they had not returned .