Taking a year off from her medical studies and leaving New York City, Pia Grazdani accepts a job at Nanobots, a nanotechnology institute, where she is quickly warned not to investigate the other work done at the facility and not to ask questions about their source of funding.

Deborah Cochrane and Joanna Meissner, graduate science students and close friends, spot a campus newspaper ad that promises to solve their financial problems: an exclusive, highly profitable fertility clinic on Boston's North Shore is looking for egg donors. Deborah and Joanna figure they can do a good deed--help infertile couples--and earn money. Although rumors of a fellow student donor's unexplained disappearance surface, the duo is not deterred....