The plans of four women--including a college student egg donor, a working-class surrogate mother, a wealthy woman, and her stepdaughter--are thrown into turmoil when the wealthy woman's husband suddenly dies and names the stepdaughter the unborn baby's guardian.

Nine months after bringing their adopted daughter Angelina home, Jack and Melissa McGuane receive a devastating phone call from the adoption agency: the birth father, a teenager and son of a powerful Denver judge, never signed away his parental rights, and he wants Angelina back.

Emma and Dele's dreams came true nine years ago when they adopted their daughter, Isla. It felt like fate, like they were meant to find each other, and now they're living the life they always wanted. But then one day a new family moves into Forest Grove, and Emma can't shake the chilling feeling that the wife looks just like Isla's birth mother.

"Though they look like any other family, they aren't one--not quite. They are three sets of parents who find themselves intertwined after adopting four biological siblings, having committed to keeping the children as connected as possible. At the heart of the family, the mothers grapple to define themselves and their new roles. Tabitha, who adopted the twins, crowns herself planner of the group, responsible for endless playdates and holidays, determined...