midnight
`` In honor of De Sonde , '' thought Ruth contemptuously . Some one began to sing , and the place soon rang with the notes of the stirring French song . People began throwing confetti , and the air was flecked with the bright-colored stuff . It was midnight . No one noticed two red dominos , each accompanied by one in black , steal from different doors of the hotel and disappear in the dark . Ruth finally found her father standing in a doorway , talking to a little red domino . `` Father !