Fresh out of high school, Isabelle "Izzy" Poole is pregnant with her art teacher's baby, and totally on her own. A child psychologist with a tragic past, Preston Grind has the backing of an eccentric billionaire, giving him the chance to study what would happen when ten children are raised collectively, without knowing who their biological parents are. He calls it the Infinite Family Project and he wants Izzy and her son to join, but in this novel by the author of The Family Fang, there are many problems in this paradise—especially Izzy's growing feelings for Dr. Grind.