For type-A mathematician Catherine Lipton, growing up with a free-spirited single dad was more than a little stressful. So as an adult, everything in her life is ordered, from her lists to her lesson plans at her new job as a college professor. Catherine's carefully calculated life goes awry, though, when the university's human resources system rejects her employment paperwork. Soon after, her credit card is declined. At the social security office, Catherine makes a shocking discovery-she's disappeared from all government records, and there's no evidence she exists at al.