Stevie's life seems full - she has a successful career and a glamorous social life in New York. But what she wants most is a baby, an aspiration that feels impossible for a single woman in her late 30s.

Determined to be a mother, Stevie returns home to London and has a baby on her own. Soon, though, she finds motherhood painfully at odds with her former life and wonders if she's made a terrible mistake.

As she struggles with her new reality and what her future might hold, Stevie is forced to face difficult truths about her past and reconsider everything she believed about family and love.