Anna is a child of special, unknowable qualities. She is a happy child, always willing to smile at the world around her. But she also presents profound challenges. For her mother Jess, still in her early twenties, living alone in North London and hoping to embark on an adventurous career, her arrival will prove life-transforming. Over the course of decades, in ways large and small, Anna will affect the lives and loves of those around her. While Anna herself will remain largely unaltered by the passing years, she will live through a period of dramatic change, her journey illuminating our shifting attitudes towards motherhood, responsibility and the way we care for one another.