Summer 1924...On the eve of a glittering society party, by the lake of a grand English country house, a young poet takes his life. The only witnesses, sisters Hannah and Emmeline Hartford, will never speak to each other again. Winter 1999...Grace Bradley, ninety-eight, one-time housemaid of Riverton Manor, is visited by a young director making a film about the poet's suicide. Ghosts awaken and old memories - long consigned to the dark reaches of Grace's mind - begin to sneak back through the cracks. A shocking secret threatens to emerge, something history has forgotten but Grace never could.