Jerusalem, 1920: 11-year-old Prudence feels tensions rising as her architect father launches an eccentric plan to redesign the Holy City. Prue, known as the 'little witness', watches everything but is rarely watched herself.When Prue's father employs a British pilot to take aerial photographs of the city, she is uncomfortably aware of the attraction between him and Eleanora, the English wife of a famous Jerusalem photographer. Eleanora's husband is a nationalist, intent on removing the British, and so begins a dangerous game.Years later, in rain-soaked Sussex, the consequences of that game will come to haunt Prue when she opens her door to an unwelcome visitor...