At a remote railway station in Norfolk, Kitty Fulton runs the ticket office and her pet project is the lost and found. Nothing gives her more pleasure than to reunite possessions with their rightful owners. It is an experience that remains elusive in her own world as her mother s Alzheimer s pulls them further and further apart and, on top of this, she must endure the disintegration of a close relationship with a childhood friend. Just when Kitty feels her life can t get more complicated a series of extraordinary events challenges her notions of duty and fidelity. And in struggling to find the answers Kitty embarks on a journey that questions the importance of life and the way we must all live.