Ever since their first date, when they discovered neither of them wanted children, Claudia and Ben's relationship seemed destined to succeed. They envisaged a life filled with freedom, possibility and exploration and their married life starts out exactly that way. But things don't always stay the same. When Ben's best friend and his wife announce they are having a baby, suddenly Ben changes his mind. He realises he does want children after all. But Claudia hasn't changed - and now she finds herself facing the most difficult decision of her life...