She looked back at him over her shoulder. Some sort of uncomprehending look must have been on her face, because he suddenly looked disgusted. "The entire point of what you have just seen," he said, "is that your friend will be kept here as a hostage, and that if you do not behave perfectly at all times during what is to happen next, she will simply be thrown overboard with something heavy attached to her and suffer the fate just now intimated."