Nat and Neil are just right for each other. They share the same likes, dislikes and hopes for the future - one filled with successful careers, sex, travel, and definitely no kids. At least that was the plan.
Increasingly surrounded by friends either with children, or trying for them, Neil begins to yearn for a baby himself, whereas Nat cannot be swayed.
Now there's trouble in paradise.
With neither prepared to say what they really want, Neil makes an unlikely new friend willing to lend an ear. Whilst Nat, riddled with doubt about the man she married, looks for answers in her little black book of exes...