Co-parenting with her best friend. What could go wrong? The next three decades of Abby Herbert's life are as carefully planned out as the last three were. Best career ever? Check. Great friends, one of whom she lives with in a stunning Tribeca apartment? Check. Perfect man to share her dream family? Surely just a matter of time. But then she gets devastating news from her doctor—if she wants to get pregnant, she needs to get started on that by... well, yesterday. On the bright side, she has the perfect person in mind to be the father. Tech entrepreneur Marcus Ross has been harboring decidedly not-friends feelings toward Abby. He doesn't want to lose her and, knowing his feelings are one-sided, he's been trying to move on. When he learns about the curveball Abby's just been hit with, he promises to be there for her however she wants him to be, even if the idea of fatherhood is a little complicated for him right now. But it isn't long until boundaries start to blur, and a deal struck between friends starts to turn into something perilously close to feelings that could change everything...