Tessa and Frederica Nicolson enjoy one last idyllic summer at the beautiful Villa Millefiore, overlooking Florence. Four years later, Italy is a distant memory and Tessa is revelling in the glamour and excitement of modelling in London, until a passionate affair with married author Milo Rycroft leads to tragic consequences. Tessa returns to Florence, and, missing her sister desperately, Freddie, too, travels to Italy, where she is swept up in adventure, danger and romance, and makes a chance encounter that will change her life. With the outbreak of World War Two, Tessa and Freddie must fight for their own survival and happiness, while they wonder whether they will ever see each other again ...