She'd sentenced herself to lying here for the rest of the night, hot and needy and obsessing about whether she was the only one suffering. But some time during the next hour, she drifted off to sleep. And some time later, a low, choking sound woke her again.

Alarmed by the sound of distress, Kimberly pressed her back against the mattress, trying to figure out where she was and why.

It was dark, with only a narrow shaft of light coming in between the curtains, and it took a moment for her ...