Caroline Grant is struggling to accept the end of her marriage when she receives an unexpected bequest. Her beloved great-aunt Lettie leaves her a sketchbook, three keys, and a final whisper ... Venice. Caroline's quest: to scatter Juliet "Lettie" Browning's ashes in the city she loved and to unlock the mysteries stored away for more than sixty years. It's 1938 when art teacher Juliet Browning arrives in romantic Venice. For her students, it's a wealth of history, art, and beauty. For Juliet, it's poignant memories and a chance to reconnect with Leonardo Da Rossi, the man she loves whose future is already determined by his noble family. However star-crossed, nothing can come between them. Until the threat of war closes in on Venice and they're forced to fight, survive, and protect a secret that will bind them forever. Key by key, Lettie's life of impossible love, loss, and courage unfolds. It's one that Caroline can now make right again as her own journey of self-discovery begins.