Jill's arrival at the men's prison was as bewildering as it was terrifying. She had been living an ordinary life as a housewife, tending to her family, and supporting her husband, never imagining that a simple clerical error could lead her into a nightmare. But here she was, standing in the warden's office, her wide, frightened eyes scanning the room, trying to make sense of how her world had collapsed in a matter of days.

The warden, a man who had perfected the art of exploiting such "errors," looked Jill over with a predatory smile. She was in her forties, with a body that had matured beautifully--voluptuous curves, full breasts,...