Ronnie Childs has questions. What happens now she and Matthew Carling have crossed the line into love? Can they survive the enormous pressure that turning a lifelong dream into reality entails? And what happens when fate sends them a curveball neither of them expects? Matthew has questions of his own. How can he protect his boys from the bitter battle with his ex? What happens now he's given everything up for memories and love? Can he and Ronnie survive when life keeps throwing all it has at them? Will their promise to love one another even when they are old become one of the most difficult promises they've ever tried to keep? The prize of forever has never seemed further away.