A Time for Silence (Daughters of England #17)

Lucinda Greenham
When Lucinda Greenham and her impetuous friend Annabelinda Denver leave London for finishing school in Europe, neither imagines the trouble to come. It takes many forms: Anabelinda's secret affair; the child born out of wedlock; and the German invasion of Belgium.
With the Germans one step behind, the girls flee across a stunned Europe on the brink of World War I, to arrive safely in England at last. Picking up the pieces of their lives, they consign Annabelinda's damaging past to secrecy, only to be faced with blackmail so severe it leads to murder. As the girls will learn too late, there is a time for truth and a time for silence.