As a young mother with a toddler and a live-in boyfriend, Maggie Fisher's job at a checkout counter in downtown Phoenix doesn't afford her much financial flexibility. She dreams of going to college and becoming a teacher, options she squandered when she fled her family home as a teenager. When Maggie stumbles onto an ad offering thousands of dollars to women who are willing to gestate other people's babies, she at first finds the concept laughable. Before long, however, she's been seduced by all the ways the extra money could improve her life. Once she decides to go for it, it's only a matter of months before she's chosen as a gestational carrier by Chip and Donovan Rigsdale, a married couple from New York. After delivering twin babies and proudly handing them off to the Rigsdales, Maggie finally gets her life on a positive trajectory: she earns her degree, lands a great job, and builds a family of her own. She can't fathom why, ten years after the fact, the fertility clinic is calling to ask for a follow-up DNA test